chrome/browser/chrome_content_browser_client.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chrome_content_browser_client.h"
   6
   7 #include <set>
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/files/scoped_file.h"
  14 #include "base/i18n/icu_util.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/path_service.h"
  17 #include "base/prefs/pref_service.h"
  18 #include "base/prefs/scoped_user_pref_update.h"
  19 #include "base/strings/string_number_conversions.h"
  20 #include "base/strings/utf_string_conversions.h"
  21 #include "base/threading/sequenced_worker_pool.h"
  22 #include "chrome/browser/browser_about_handler.h"
  23 #include "chrome/browser/browser_process.h"
  24 #include "chrome/browser/browser_shutdown.h"
  25 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  26 #include "chrome/browser/browsing_data/browsing_data_remover.h"
  27 #include "chrome/browser/character_encoding.h"
  28 #include "chrome/browser/chrome_content_browser_client_parts.h"
  29 #include "chrome/browser/chrome_net_benchmarking_message_filter.h"
  30 #include "chrome/browser/chrome_quota_permission_context.h"
  31 #include "chrome/browser/content_settings/cookie_settings.h"
  32 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
  33 #include "chrome/browser/defaults.h"
  34 #include "chrome/browser/download/download_prefs.h"
  35 #include "chrome/browser/font_family_cache.h"
  36 #include "chrome/browser/geolocation/chrome_access_token_store.h"
  37 #include "chrome/browser/geolocation/geolocation_permission_context.h"
  38 #include "chrome/browser/geolocation/geolocation_permission_context_factory.h"
  39 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
  40 #include "chrome/browser/media/midi_permission_context.h"
  41 #include "chrome/browser/media/midi_permission_context_factory.h"
  42 #include "chrome/browser/metrics/chrome_browser_main_extra_parts_metrics.h"
  43 #include "chrome/browser/nacl_host/nacl_browser_delegate_impl.h"
  44 #include "chrome/browser/net/chrome_net_log.h"
  45 #include "chrome/browser/notifications/desktop_notification_service.h"
  46 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
  47 #include "chrome/browser/notifications/platform_notification_service_impl.h"
  48 #include "chrome/browser/platform_util.h"
  49 #include "chrome/browser/prerender/prerender_final_status.h"
  50 #include "chrome/browser/prerender/prerender_manager.h"
  51 #include "chrome/browser/prerender/prerender_manager_factory.h"
  52 #include "chrome/browser/prerender/prerender_message_filter.h"
  53 #include "chrome/browser/prerender/prerender_tracker.h"
  54 #include "chrome/browser/printing/printing_message_filter.h"
  55 #include "chrome/browser/profiles/chrome_browser_main_extra_parts_profiles.h"
  56 #include "chrome/browser/profiles/profile.h"
  57 #include "chrome/browser/profiles/profile_io_data.h"
  58 #include "chrome/browser/renderer_host/chrome_render_message_filter.h"
  59 #include "chrome/browser/renderer_host/pepper/chrome_browser_pepper_host_factory.h"
  60 #include "chrome/browser/search/instant_service.h"
  61 #include "chrome/browser/search/instant_service_factory.h"
  62 #include "chrome/browser/search/search.h"
  63 #include "chrome/browser/search_engines/search_provider_install_state_message_filter.h"
  64 #include "chrome/browser/services/gcm/push_messaging_permission_context.h"
  65 #include "chrome/browser/services/gcm/push_messaging_permission_context_factory.h"
  66 #include "chrome/browser/signin/principals_message_filter.h"
  67 #include "chrome/browser/speech/chrome_speech_recognition_manager_delegate.h"
  68 #include "chrome/browser/speech/tts_controller.h"
  69 #include "chrome/browser/speech/tts_message_filter.h"
  70 #include "chrome/browser/ssl/ssl_add_certificate.h"
  71 #include "chrome/browser/ssl/ssl_blocking_page.h"
  72 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
  73 #include "chrome/browser/ssl/ssl_error_handler.h"
  74 #include "chrome/browser/sync_file_system/local/sync_file_system_backend.h"
  75 #include "chrome/browser/tab_contents/tab_util.h"
  76 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
  77 #include "chrome/browser/ui/blocked_content/popup_blocker_tab_helper.h"
  78 #include "chrome/browser/ui/chrome_select_file_policy.h"
  79 #include "chrome/browser/ui/sync/sync_promo_ui.h"
  80 #include "chrome/browser/ui/tab_contents/chrome_web_contents_view_delegate.h"
  81 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
  82 #include "chrome/common/chrome_constants.h"
  83 #include "chrome/common/chrome_paths.h"
  84 #include "chrome/common/chrome_switches.h"
  85 #include "chrome/common/env_vars.h"
  86 #include "chrome/common/logging_chrome.h"
  87 #include "chrome/common/pepper_permission_util.h"
  88 #include "chrome/common/pref_names.h"
  89 #include "chrome/common/render_messages.h"
  90 #include "chrome/common/url_constants.h"
  91 #include "chrome/grit/generated_resources.h"
  92 #include "chrome/installer/util/google_update_settings.h"
  93 #include "chromeos/chromeos_constants.h"
  94 #include "components/cdm/browser/cdm_message_filter_android.h"
  95 #include "components/cloud_devices/common/cloud_devices_switches.h"
  96 #include "components/content_settings/core/browser/content_settings_provider.h"
  97 #include "components/content_settings/core/browser/content_settings_utils.h"
  98 #include "components/content_settings/core/browser/host_content_settings_map.h"
  99 #include "components/content_settings/core/common/content_settings.h"
 100 #include "components/content_settings/core/common/permission_request_id.h"
 101 #include "components/dom_distiller/core/url_constants.h"
 102 #include "components/google/core/browser/google_util.h"
 103 #include "components/metrics/client_info.h"
 104 #include "components/pref_registry/pref_registry_syncable.h"
 105 #include "components/signin/core/common/profile_management_switches.h"
 106 #include "components/translate/core/common/translate_switches.h"
 107 #include "content/public/browser/browser_child_process_host.h"
 108 #include "content/public/browser/browser_main_parts.h"
 109 #include "content/public/browser/browser_ppapi_host.h"
 110 #include "content/public/browser/browser_thread.h"
 111 #include "content/public/browser/browser_url_handler.h"
 112 #include "content/public/browser/child_process_data.h"
 113 #include "content/public/browser/child_process_security_policy.h"
 114 #include "content/public/browser/permission_type.h"
 115 #include "content/public/browser/render_frame_host.h"
 116 #include "content/public/browser/render_process_host.h"
 117 #include "content/public/browser/render_view_host.h"
 118 #include "content/public/browser/resource_context.h"
 119 #include "content/public/browser/site_instance.h"
 120 #include "content/public/browser/web_contents.h"
 121 #include "content/public/common/child_process_host.h"
 122 #include "content/public/common/content_descriptors.h"
 123 #include "content/public/common/url_utils.h"
 124 #include "content/public/common/web_preferences.h"
 125 #include "gin/public/isolate_holder.h"
 126 #include "net/base/mime_util.h"
 127 #include "net/cookies/canonical_cookie.h"
 128 #include "net/cookies/cookie_options.h"
 129 #include "net/ssl/ssl_cert_request_info.h"
 130 #include "ppapi/host/ppapi_host.h"
 131 #include "storage/browser/fileapi/external_mount_points.h"
 132 #include "ui/base/l10n/l10n_util.h"
 133 #include "ui/base/resource/resource_bundle.h"
 134 #include "ui/resources/grit/ui_resources.h"
 135
 136 #if defined(OS_WIN)
 137 #include "base/win/windows_version.h"
 138 #include "chrome/browser/chrome_browser_main_win.h"
 139 #include "sandbox/win/src/sandbox_policy.h"
 140 #elif defined(OS_MACOSX)
 141 #include "chrome/browser/chrome_browser_main_mac.h"
 142 #include "chrome/browser/spellchecker/spellcheck_message_filter_mac.h"
 143 #include "components/crash/app/breakpad_mac.h"
 144 #elif defined(OS_CHROMEOS)
 145 #include "chrome/browser/chromeos/chrome_browser_main_chromeos.h"
 146 #include "chrome/browser/chromeos/drive/fileapi/file_system_backend_delegate.h"
 147 #include "chrome/browser/chromeos/file_manager/app_id.h"
 148 #include "chrome/browser/chromeos/file_system_provider/fileapi/backend_delegate.h"
 149 #include "chrome/browser/chromeos/fileapi/file_system_backend.h"
 150 #include "chrome/browser/chromeos/fileapi/mtp_file_system_backend_delegate.h"
 151 #include "chrome/browser/chromeos/login/startup_utils.h"
 152 #include "chrome/browser/chromeos/system/input_device_settings.h"
 153 #include "chromeos/chromeos_switches.h"
 154 #include "components/user_manager/user_manager.h"
 155 #elif defined(OS_LINUX)
 156 #include "chrome/browser/chrome_browser_main_linux.h"
 157 #elif defined(OS_ANDROID)
 158 #include "chrome/browser/android/new_tab_page_url_handler.h"
 159 #include "chrome/browser/android/webapps/single_tab_mode_tab_helper.h"
 160 #include "chrome/browser/chrome_browser_main_android.h"
 161 #include "chrome/common/descriptors_android.h"
 162 #include "components/crash/browser/crash_dump_manager_android.h"
 163 #elif defined(OS_POSIX)
 164 #include "chrome/browser/chrome_browser_main_posix.h"
 165 #endif
 166
 167 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 168 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
 169 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
 170 #endif
 171
 172 #if defined(OS_POSIX) && !defined(OS_MACOSX)
 173 #include "base/debug/leak_annotations.h"
 174 #include "components/crash/app/breakpad_linux.h"
 175 #include "components/crash/browser/crash_handler_host_linux.h"
 176 #endif
 177
 178 #if defined(OS_ANDROID)
 179 #include "ui/base/ui_base_paths.h"
 180 #include "ui/gfx/android/device_display_info.h"
 181 #endif
 182
 183 #if defined(OS_ANDROID)
 184 #include "chrome/browser/android/dev_tools_manager_delegate_android.h"
 185 #else
 186 #include "chrome/browser/devtools/chrome_devtools_manager_delegate.h"
 187 #endif
 188
 189 #if !defined(OS_CHROMEOS)
 190 #include "chrome/browser/signin/chrome_signin_client.h"
 191 #include "chrome/browser/signin/chrome_signin_client_factory.h"
 192 #include "chrome/browser/signin/signin_manager_factory.h"
 193 #include "components/signin/core/browser/signin_manager.h"
 194 #endif
 195
 196 #if defined(TOOLKIT_VIEWS)
 197 #include "chrome/browser/ui/views/chrome_browser_main_extra_parts_views.h"
 198 #endif
 199
 200 #if defined(USE_ASH)
 201 #include "chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h"
 202 #endif
 203
 204 #if defined(USE_AURA)
 205 #include "chrome/browser/ui/aura/chrome_browser_main_extra_parts_aura.h"
 206 #endif
 207
 208 #if defined(USE_X11)
 209 #include "chrome/browser/chrome_browser_main_extra_parts_x11.h"
 210 #endif
 211
 212 #if defined(ENABLE_CAPTIVE_PORTAL_DETECTION)
 213 #include "chrome/browser/captive_portal/captive_portal_tab_helper.h"
 214 #endif
 215
 216 #if !defined(DISABLE_NACL)
 217 #include "components/nacl/browser/nacl_browser.h"
 218 #include "components/nacl/browser/nacl_host_message_filter.h"
 219 #include "components/nacl/browser/nacl_process_host.h"
 220 #include "components/nacl/common/nacl_process_type.h"
 221 #include "components/nacl/common/nacl_switches.h"
 222 #endif
 223
 224 #if defined(ENABLE_EXTENSIONS)
 225 #include "chrome/browser/extensions/chrome_content_browser_client_extensions_part.h"
 226 #include "chrome/browser/extensions/extension_util.h"
 227 #include "chrome/browser/media/cast_transport_host_filter.h"
 228 #include "chrome/browser/speech/extension_api/tts_engine_extension_api.h"
 229 #include "extensions/browser/extension_registry.h"
 230 #include "extensions/browser/guest_view/guest_view_base.h"
 231 #include "extensions/browser/guest_view/guest_view_manager.h"
 232 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
 233 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
 234 #include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 235 #include "extensions/common/constants.h"
 236 #include "extensions/common/extension.h"
 237 #include "extensions/common/extension_set.h"
 238 #include "extensions/common/manifest_handlers/background_info.h"
 239 #include "extensions/common/manifest_handlers/shared_module_info.h"
 240 #include "extensions/common/permissions/permissions_data.h"
 241 #include "extensions/common/permissions/socket_permission.h"
 242 #include "extensions/common/switches.h"
 243 #endif
 244
 245 #if defined(ENABLE_PLUGINS)
 246 #include "chrome/browser/plugins/chrome_content_browser_client_plugins_part.h"
 247 #endif
 248
 249 #if defined(ENABLE_SPELLCHECK)
 250 #include "chrome/browser/spellchecker/spellcheck_message_filter.h"
 251 #endif
 252
 253 #if defined(ENABLE_WEBRTC)
 254 #include "chrome/browser/media/webrtc_logging_handler_host.h"
 255 #endif
 256
 257 using base::FileDescriptor;
 258 using blink::WebWindowFeatures;
 259 using content::AccessTokenStore;
 260 using content::BrowserThread;
 261 using content::BrowserURLHandler;
 262 using content::ChildProcessSecurityPolicy;
 263 using content::QuotaPermissionContext;
 264 using content::RenderFrameHost;
 265 using content::RenderViewHost;
 266 using content::ResourceType;
 267 using content::SiteInstance;
 268 using content::WebContents;
 269 using content::WebPreferences;
 270 using message_center::NotifierId;
 271
 272 #if defined(OS_POSIX)
 273 using content::FileDescriptorInfo;
 274 #endif
 275
 276 #if defined(ENABLE_EXTENSIONS)
 277 using extensions::APIPermission;
 278 using extensions::ChromeContentBrowserClientExtensionsPart;
 279 using extensions::Extension;
 280 using extensions::InfoMap;
 281 using extensions::Manifest;
 282 #endif
 283
 284 #if defined(ENABLE_PLUGINS)
 285 using plugins::ChromeContentBrowserClientPluginsPart;
 286 #endif
 287
 288 namespace {
 289
 290 // Cached version of the locale so we can return the locale on the I/O
 291 // thread.
 292 base::LazyInstance<std::string> g_io_thread_application_locale;
 293
 294 #if defined(ENABLE_PLUGINS)
 295 // TODO(teravest): Add renderer-side API-specific checking for these APIs so
 296 // that blanket permission isn't granted to all dev channel APIs for these.
 297 // http://crbug.com/386743
 298 const char* const kPredefinedAllowedDevChannelOrigins[] = {
 299   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/383937
 300   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/383937
 301 };
 302
 303 const char* const kPredefinedAllowedFileHandleOrigins[] = {
 304   "6EAED1924DB611B6EEF2A664BD077BE7EAD33B8F",  // see crbug.com/234789
 305   "4EB74897CB187C7633357C2FE832E0AD6A44883A"   // see crbug.com/234789
 306 };
 307
 308 const char* const kPredefinedAllowedSocketOrigins[] = {
 309   "okddffdblfhhnmhodogpojmfkjmhinfp",  // Test SSH Client
 310   "pnhechapfaindjhompbnflcldabbghjo",  // HTerm App (SSH Client)
 311   "bglhmjfplikpjnfoegeomebmfnkjomhe",  // see crbug.com/122126
 312   "gbchcmhmhahfdphkhkmpfmihenigjmpp",  // Chrome Remote Desktop
 313   "kgngmbheleoaphbjbaiobfdepmghbfah",  // Pre-release Chrome Remote Desktop
 314   "odkaodonbgfohohmklejpjiejmcipmib",  // Dogfood Chrome Remote Desktop
 315   "ojoimpklfciegopdfgeenehpalipignm",  // Chromoting canary
 316   "cbkkbcmdlboombapidmoeolnmdacpkch",  // see crbug.com/129089
 317   "hhnbmknkdabfoieppbbljkhkfjcmcbjh",  // see crbug.com/134099
 318   "mablfbjkhmhkmefkjjacnbaikjkipphg",  // see crbug.com/134099
 319   "pdeelgamlgannhelgoegilelnnojegoh",  // see crbug.com/134099
 320   "cabapfdbkniadpollkckdnedaanlciaj",  // see crbug.com/134099
 321   "mapljbgnjledlpdmlchihnmeclmefbba",  // see crbug.com/134099
 322   "ghbfeebgmiidnnmeobbbaiamklmpbpii",  // see crbug.com/134099
 323   "jdfhpkjeckflbbleddjlpimecpbjdeep",  // see crbug.com/142514
 324   "iabmpiboiopbgfabjmgeedhcmjenhbla",  // see crbug.com/165080
 325   "B7CF8A292249681AF81771650BA4CEEAF19A4560",  // see crbug.com/165080
 326   "7525AF4F66763A70A883C4700529F647B470E4D2",  // see crbug.com/238084
 327   "0B549507088E1564D672F7942EB87CA4DAD73972",  // see crbug.com/238084
 328   "864288364E239573E777D3E0E36864E590E95C74"   // see crbug.com/238084
 329 };
 330 #endif
 331
 332 // Returns a copy of the given url with its host set to given host and path set
 333 // to given path. Other parts of the url will be the same.
 334 GURL ReplaceURLHostAndPath(const GURL& url,
 335                            const std::string& host,
 336                            const std::string& path) {
 337   url::Replacements<char> replacements;
 338   replacements.SetHost(host.c_str(), url::Component(0, host.length()));
 339   replacements.SetPath(path.c_str(), url::Component(0, path.length()));
 340   return url.ReplaceComponents(replacements);
 341 }
 342
 343 // Maps "foo://bar/baz/" to "foo://chrome/bar/baz/".
 344 GURL AddUberHost(const GURL& url) {
 345   const std::string uber_host = chrome::kChromeUIUberHost;
 346   const std::string new_path = url.host() + url.path();
 347
 348   return ReplaceURLHostAndPath(url, uber_host, new_path);
 349 }
 350
 351 // If url->host() is "chrome" and url->path() has characters other than the
 352 // first slash, changes the url from "foo://chrome/bar/" to "foo://bar/" and
 353 // returns true. Otherwise returns false.
 354 bool RemoveUberHost(GURL* url) {
 355   if (url->host() != chrome::kChromeUIUberHost)
 356     return false;
 357
 358   if (url->path().empty() || url->path() == "/")
 359     return false;
 360
 361   const std::string old_path = url->path();
 362
 363   const std::string::size_type separator = old_path.find('/', 1);
 364   std::string new_host;
 365   std::string new_path;
 366   if (separator == std::string::npos) {
 367     new_host = old_path.substr(1);
 368   } else {
 369     new_host = old_path.substr(1, separator - 1);
 370     new_path = old_path.substr(separator);
 371   }
 372
 373   // Do not allow URLs with paths empty before the first slash since we can't
 374   // have an empty host. (e.g "foo://chrome//")
 375   if (new_host.empty())
 376     return false;
 377
 378   *url = ReplaceURLHostAndPath(*url, new_host, new_path);
 379
 380   DCHECK(url->is_valid());
 381
 382   return true;
 383 }
 384
 385 // Handles rewriting Web UI URLs.
 386 bool HandleWebUI(GURL* url, content::BrowserContext* browser_context) {
 387   // Do not handle special URLs such as "about:foo"
 388   if (!url->host().empty()) {
 389     const GURL chrome_url = AddUberHost(*url);
 390
 391     // Handle valid "chrome://chrome/foo" URLs so the reverse handler will
 392     // be called.
 393     if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 394             browser_context, chrome_url))
 395       return true;
 396   }
 397
 398   if (!ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL(
 399           browser_context, *url))
 400     return false;
 401
 402 #if defined(OS_CHROMEOS)
 403   // Special case : in ChromeOS in Guest mode bookmarks and history are
 404   // disabled for security reasons. New tab page explains the reasons, so
 405   // we redirect user to new tab page.
 406   if (user_manager::UserManager::Get()->IsLoggedInAsGuest()) {
 407     if (url->SchemeIs(content::kChromeUIScheme) &&
 408         (url->DomainIs(chrome::kChromeUIBookmarksHost) ||
 409          url->DomainIs(chrome::kChromeUIHistoryHost))) {
 410       // Rewrite with new tab URL
 411       *url = GURL(chrome::kChromeUINewTabURL);
 412     }
 413   }
 414 #endif
 415
 416   return true;
 417 }
 418
 419 // Reverse URL handler for Web UI. Maps "chrome://chrome/foo/" to
 420 // "chrome://foo/".
 421 bool HandleWebUIReverse(GURL* url, content::BrowserContext* browser_context) {
 422   if (!url->is_valid() || !url->SchemeIs(content::kChromeUIScheme))
 423     return false;
 424
 425   return RemoveUberHost(url);
 426 }
 427
 428 bool CertMatchesFilter(const net::X509Certificate& cert,
 429                        const base::DictionaryValue& filter) {
 430   // TODO(markusheintz): This is the minimal required filter implementation.
 431   // Implement a better matcher.
 432
 433   // An empty filter matches any client certificate since no requirements are
 434   // specified at all.
 435   if (filter.empty())
 436     return true;
 437
 438   std::string common_name;
 439   if (filter.GetString("ISSUER.CN", &common_name) &&
 440       (cert.issuer().common_name == common_name)) {
 441     return true;
 442   }
 443   return false;
 444 }
 445
 446 #if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 447 breakpad::CrashHandlerHostLinux* CreateCrashHandlerHost(
 448     const std::string& process_type) {
 449   base::FilePath dumps_path;
 450   PathService::Get(chrome::DIR_CRASH_DUMPS, &dumps_path);
 451   {
 452     ANNOTATE_SCOPED_MEMORY_LEAK;
 453     bool upload = (getenv(env_vars::kHeadless) == NULL);
 454     breakpad::CrashHandlerHostLinux* crash_handler =
 455         new breakpad::CrashHandlerHostLinux(process_type, dumps_path, upload);
 456     crash_handler->StartUploaderThread();
 457     return crash_handler;
 458   }
 459 }
 460
 461 int GetCrashSignalFD(const base::CommandLine& command_line) {
 462   // Extensions have the same process type as renderers.
 463   if (command_line.HasSwitch(extensions::switches::kExtensionProcess)) {
 464     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 465     if (!crash_handler)
 466       crash_handler = CreateCrashHandlerHost("extension");
 467     return crash_handler->GetDeathSignalSocket();
 468   }
 469
 470   std::string process_type =
 471       command_line.GetSwitchValueASCII(switches::kProcessType);
 472
 473   if (process_type == switches::kRendererProcess) {
 474     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 475     if (!crash_handler)
 476       crash_handler = CreateCrashHandlerHost(process_type);
 477     return crash_handler->GetDeathSignalSocket();
 478   }
 479
 480   if (process_type == switches::kPluginProcess) {
 481     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 482     if (!crash_handler)
 483       crash_handler = CreateCrashHandlerHost(process_type);
 484     return crash_handler->GetDeathSignalSocket();
 485   }
 486
 487   if (process_type == switches::kPpapiPluginProcess) {
 488     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 489     if (!crash_handler)
 490       crash_handler = CreateCrashHandlerHost(process_type);
 491     return crash_handler->GetDeathSignalSocket();
 492   }
 493
 494   if (process_type == switches::kGpuProcess) {
 495     static breakpad::CrashHandlerHostLinux* crash_handler = NULL;
 496     if (!crash_handler)
 497       crash_handler = CreateCrashHandlerHost(process_type);
 498     return crash_handler->GetDeathSignalSocket();
 499   }
 500
 501   return -1;
 502 }
 503 #endif  // defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
 504
 505 #if !defined(OS_CHROMEOS)
 506 GURL GetEffectiveURLForSignin(const GURL& url) {
 507   CHECK(SigninManager::IsWebBasedSigninFlowURL(url));
 508
 509   GURL effective_url(SigninManager::kChromeSigninEffectiveSite);
 510   // Copy the path because the argument to SetPathStr must outlive
 511   // the Replacements object.
 512   const std::string path_copy(url.path());
 513   GURL::Replacements replacements;
 514   replacements.SetPathStr(path_copy);
 515   effective_url = effective_url.ReplaceComponents(replacements);
 516   return effective_url;
 517 }
 518 #endif
 519
 520 void SetApplicationLocaleOnIOThread(const std::string& locale) {
 521   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 522   g_io_thread_application_locale.Get() = locale;
 523 }
 524
 525 void HandleBlockedPopupOnUIThread(const BlockedWindowParams& params) {
 526   // TODO(jochen): This code path should use RenderFrameHosts. See
 527   // http://crbug.com/431769 for details.
 528   RenderViewHost* render_view_host =
 529       RenderViewHost::FromID(params.render_process_id(), params.opener_id());
 530   if (!render_view_host)
 531     return;
 532   WebContents* tab = WebContents::FromRenderViewHost(render_view_host);
 533   // The tab might already have navigated away.
 534   if (!tab || tab->GetRenderViewHost() != render_view_host)
 535     return;
 536
 537   prerender::PrerenderContents* prerender_contents =
 538       prerender::PrerenderContents::FromWebContents(tab);
 539   if (prerender_contents) {
 540     prerender_contents->Destroy(prerender::FINAL_STATUS_CREATE_NEW_WINDOW);
 541     return;
 542   }
 543
 544   PopupBlockerTabHelper* popup_helper =
 545       PopupBlockerTabHelper::FromWebContents(tab);
 546   if (!popup_helper)
 547     return;
 548   popup_helper->AddBlockedPopup(params);
 549 }
 550
 551 #if defined(OS_ANDROID)
 552
 553 void HandleSingleTabModeBlockOnUIThread(const BlockedWindowParams& params) {
 554   WebContents* web_contents =
 555       tab_util::GetWebContentsByID(params.render_process_id(),
 556                                    params.opener_id());
 557   if (!web_contents)
 558     return;
 559
 560   SingleTabModeTabHelper::FromWebContents(web_contents)->HandleOpenUrl(params);
 561 }
 562
 563 float GetDeviceScaleAdjustment() {
 564   static const float kMinFSM = 1.05f;
 565   static const int kWidthForMinFSM = 320;
 566   static const float kMaxFSM = 1.3f;
 567   static const int kWidthForMaxFSM = 800;
 568
 569   gfx::DeviceDisplayInfo info;
 570   int minWidth = info.GetSmallestDIPWidth();
 571
 572   if (minWidth <= kWidthForMinFSM)
 573     return kMinFSM;
 574   if (minWidth >= kWidthForMaxFSM)
 575     return kMaxFSM;
 576
 577   // The font scale multiplier varies linearly between kMinFSM and kMaxFSM.
 578   float ratio = static_cast<float>(minWidth - kWidthForMinFSM) /
 579       (kWidthForMaxFSM - kWidthForMinFSM);
 580   return ratio * (kMaxFSM - kMinFSM) + kMinFSM;
 581 }
 582
 583 #endif  // defined(OS_ANDROID)
 584
 585 #if defined(ENABLE_EXTENSIONS)
 586 // By default, JavaScript and images are enabled in guest content.
 587 void GetGuestViewDefaultContentSettingRules(
 588     bool incognito,
 589     RendererContentSettingRules* rules) {
 590   rules->image_rules.push_back(
 591       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 592                                   ContentSettingsPattern::Wildcard(),
 593                                   CONTENT_SETTING_ALLOW,
 594                                   std::string(),
 595                                   incognito));
 596
 597   rules->script_rules.push_back(
 598       ContentSettingPatternSource(ContentSettingsPattern::Wildcard(),
 599                                   ContentSettingsPattern::Wildcard(),
 600                                   CONTENT_SETTING_ALLOW,
 601                                   std::string(),
 602                                   incognito));
 603 }
 604 #endif  // defined(ENALBE_EXTENSIONS)
 605
 606 content::PermissionStatus
 607 ContentSettingToPermissionStatus(ContentSetting setting) {
 608   switch (setting) {
 609     case CONTENT_SETTING_ALLOW:
 610     case CONTENT_SETTING_SESSION_ONLY:
 611       return content::PERMISSION_STATUS_GRANTED;
 612     case CONTENT_SETTING_BLOCK:
 613       return content::PERMISSION_STATUS_DENIED;
 614     case CONTENT_SETTING_ASK:
 615       return content::PERMISSION_STATUS_ASK;
 616     case CONTENT_SETTING_DETECT_IMPORTANT_CONTENT:
 617     case CONTENT_SETTING_DEFAULT:
 618     case CONTENT_SETTING_NUM_SETTINGS:
 619       break;
 620   }
 621   NOTREACHED();
 622   return content::PERMISSION_STATUS_DENIED;
 623 }
 624
 625 PermissionContextBase* GetPermissionContext(Profile* profile,
 626     content::PermissionType permission) {
 627   switch (permission) {
 628     case content::PERMISSION_MIDI_SYSEX:
 629       return MidiPermissionContextFactory::GetForProfile(profile);
 630     case content::PERMISSION_NOTIFICATIONS:
 631 #if defined(ENABLE_NOTIFICATIONS)
 632       return DesktopNotificationServiceFactory::GetForProfile(profile);
 633 #else
 634       NOTIMPLEMENTED();
 635 #endif
 636     case content::PERMISSION_GEOLOCATION:
 637       return GeolocationPermissionContextFactory::GetForProfile(profile);
 638     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
 639 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
 640       return ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(
 641           profile);
 642 #else
 643       NOTIMPLEMENTED();
 644       break;
 645 #endif
 646     case content::PERMISSION_PUSH_MESSAGING:
 647       return gcm::PushMessagingPermissionContextFactory::GetForProfile(profile);
 648     case content::PERMISSION_NUM:
 649       NOTREACHED() << "Invalid RequestPermission for " << permission;
 650       break;
 651   }
 652   return nullptr;
 653 }
 654
 655 }  // namespace
 656
 657 namespace chrome {
 658
 659 ChromeContentBrowserClient::ChromeContentBrowserClient()
 660     : prerender_tracker_(NULL),
 661       weak_factory_(this) {
 662 #if defined(ENABLE_PLUGINS)
 663   for (size_t i = 0; i < arraysize(kPredefinedAllowedDevChannelOrigins); ++i)
 664     allowed_dev_channel_origins_.insert(kPredefinedAllowedDevChannelOrigins[i]);
 665   for (size_t i = 0; i < arraysize(kPredefinedAllowedFileHandleOrigins); ++i)
 666     allowed_file_handle_origins_.insert(kPredefinedAllowedFileHandleOrigins[i]);
 667   for (size_t i = 0; i < arraysize(kPredefinedAllowedSocketOrigins); ++i)
 668     allowed_socket_origins_.insert(kPredefinedAllowedSocketOrigins[i]);
 669
 670   extra_parts_.push_back(new ChromeContentBrowserClientPluginsPart);
 671 #endif
 672
 673 #if !defined(OS_ANDROID)
 674   TtsExtensionEngine* tts_extension_engine = TtsExtensionEngine::GetInstance();
 675   TtsController::GetInstance()->SetTtsEngineDelegate(tts_extension_engine);
 676 #endif
 677
 678 #if defined(ENABLE_EXTENSIONS)
 679   extra_parts_.push_back(new ChromeContentBrowserClientExtensionsPart);
 680 #endif
 681 }
 682
 683 ChromeContentBrowserClient::~ChromeContentBrowserClient() {
 684   for (int i = static_cast<int>(extra_parts_.size()) - 1; i >= 0; --i)
 685     delete extra_parts_[i];
 686   extra_parts_.clear();
 687 }
 688
 689 // static
 690 void ChromeContentBrowserClient::RegisterProfilePrefs(
 691     user_prefs::PrefRegistrySyncable* registry) {
 692   registry->RegisterBooleanPref(
 693       prefs::kDisable3DAPIs,
 694       false,
 695       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 696   registry->RegisterBooleanPref(
 697       prefs::kEnableHyperlinkAuditing,
 698       true,
 699       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 700   registry->RegisterListPref(
 701       prefs::kEnableDeprecatedWebPlatformFeatures,
 702       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 703 }
 704
 705 // static
 706 void ChromeContentBrowserClient::SetApplicationLocale(
 707     const std::string& locale) {
 708   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 709
 710   // This object is guaranteed to outlive all threads so we don't have to
 711   // worry about the lack of refcounting and can just post as Unretained.
 712   //
 713   // The common case is that this function is called early in Chrome startup
 714   // before any threads are created (it will also be called later if the user
 715   // changes the pref). In this case, there will be no threads created and
 716   // posting will fail. When there are no threads, we can just set the string
 717   // without worrying about threadsafety.
 718   if (!BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
 719           base::Bind(&SetApplicationLocaleOnIOThread, locale))) {
 720     g_io_thread_application_locale.Get() = locale;
 721   }
 722 }
 723
 724 content::BrowserMainParts* ChromeContentBrowserClient::CreateBrowserMainParts(
 725     const content::MainFunctionParams& parameters) {
 726   ChromeBrowserMainParts* main_parts;
 727   // Construct the Main browser parts based on the OS type.
 728 #if defined(OS_WIN)
 729   main_parts = new ChromeBrowserMainPartsWin(parameters);
 730 #elif defined(OS_MACOSX)
 731   main_parts = new ChromeBrowserMainPartsMac(parameters);
 732 #elif defined(OS_CHROMEOS)
 733   main_parts = new chromeos::ChromeBrowserMainPartsChromeos(parameters);
 734 #elif defined(OS_LINUX)
 735   main_parts = new ChromeBrowserMainPartsLinux(parameters);
 736 #elif defined(OS_ANDROID)
 737   main_parts = new ChromeBrowserMainPartsAndroid(parameters);
 738 #elif defined(OS_POSIX)
 739   main_parts = new ChromeBrowserMainPartsPosix(parameters);
 740 #else
 741   NOTREACHED();
 742   main_parts = new ChromeBrowserMainParts(parameters);
 743 #endif
 744
 745   chrome::AddProfilesExtraParts(main_parts);
 746
 747   // Construct additional browser parts. Stages are called in the order in
 748   // which they are added.
 749 #if defined(TOOLKIT_VIEWS)
 750   main_parts->AddParts(new ChromeBrowserMainExtraPartsViews());
 751 #endif
 752
 753 // TODO(oshima): Athena on chrome currently requires USE_ASH to build.
 754 // We should reduce the dependency as much as possible.
 755 #if defined(USE_ASH)
 756   main_parts->AddParts(new ChromeBrowserMainExtraPartsAsh());
 757 #endif
 758
 759 #if defined(USE_AURA)
 760   main_parts->AddParts(new ChromeBrowserMainExtraPartsAura());
 761 #endif
 762
 763 #if defined(USE_X11)
 764   main_parts->AddParts(new ChromeBrowserMainExtraPartsX11());
 765 #endif
 766
 767   chrome::AddMetricsExtraParts(main_parts);
 768
 769   return main_parts;
 770 }
 771
 772 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
 773     content::BrowserContext* browser_context,
 774     const GURL& site) {
 775   std::string partition_id;
 776
 777   // The partition ID for webview guest processes is the string value of its
 778   // SiteInstance URL - "chrome-guest://app_id/persist?partition".
 779   if (site.SchemeIs(content::kGuestScheme)) {
 780     partition_id = site.spec();
 781   } else if (site.GetOrigin().spec() == kChromeUIChromeSigninURL &&
 782             !switches::IsEnableWebviewBasedSignin()) {
 783     // Chrome signin page has an embedded iframe of extension and web content,
 784     // thus it must be isolated from other webUI pages.
 785     partition_id = site.GetOrigin().spec();
 786   }
 787
 788   DCHECK(IsValidStoragePartitionId(browser_context, partition_id));
 789   return partition_id;
 790 }
 791
 792 bool ChromeContentBrowserClient::IsValidStoragePartitionId(
 793     content::BrowserContext* browser_context,
 794     const std::string& partition_id) {
 795   // The default ID is empty and is always valid.
 796   if (partition_id.empty())
 797     return true;
 798
 799   return GURL(partition_id).is_valid();
 800 }
 801
 802 void ChromeContentBrowserClient::GetStoragePartitionConfigForSite(
 803     content::BrowserContext* browser_context,
 804     const GURL& site,
 805     bool can_be_default,
 806     std::string* partition_domain,
 807     std::string* partition_name,
 808     bool* in_memory) {
 809   // Default to the browser-wide storage partition and override based on |site|
 810   // below.
 811   partition_domain->clear();
 812   partition_name->clear();
 813   *in_memory = false;
 814
 815   bool success = false;
 816 #if defined(ENABLE_EXTENSIONS)
 817   success = extensions::WebViewGuest::GetGuestPartitionConfigForSite(
 818       site, partition_domain, partition_name, in_memory);
 819
 820   if (!success && site.SchemeIs(extensions::kExtensionScheme)) {
 821     // If |can_be_default| is false, the caller is stating that the |site|
 822     // should be parsed as if it had isolated storage. In particular it is
 823     // important to NOT check ExtensionService for the is_storage_isolated()
 824     // attribute because this code path is run during Extension uninstall
 825     // to do cleanup after the Extension has already been unloaded from the
 826     // ExtensionService.
 827     bool is_isolated = !can_be_default;
 828     if (can_be_default) {
 829       if (extensions::util::SiteHasIsolatedStorage(site, browser_context))
 830         is_isolated = true;
 831     }
 832
 833     if (is_isolated) {
 834       CHECK(site.has_host());
 835       // For extensions with isolated storage, the the host of the |site| is
 836       // the |partition_domain|. The |in_memory| and |partition_name| are only
 837       // used in guest schemes so they are cleared here.
 838       *partition_domain = site.host();
 839       *in_memory = false;
 840       partition_name->clear();
 841     }
 842     success = true;
 843   }
 844 #endif
 845
 846   if (!success && (site.GetOrigin().spec() == kChromeUIChromeSigninURL) &&
 847       !switches::IsEnableWebviewBasedSignin()) {
 848     // Chrome signin page has an embedded iframe of extension and web content,
 849     // thus it must be isolated from other webUI pages.
 850     *partition_domain = chrome::kChromeUIChromeSigninHost;
 851   }
 852
 853   // Assert that if |can_be_default| is false, the code above must have found a
 854   // non-default partition.  If this fails, the caller has a serious logic
 855   // error about which StoragePartition they expect to be in and it is not
 856   // safe to continue.
 857   CHECK(can_be_default || !partition_domain->empty());
 858 }
 859
 860 content::WebContentsViewDelegate*
 861     ChromeContentBrowserClient::GetWebContentsViewDelegate(
 862         content::WebContents* web_contents) {
 863   return chrome::CreateWebContentsViewDelegate(web_contents);
 864 }
 865
 866 void ChromeContentBrowserClient::RenderProcessWillLaunch(
 867     content::RenderProcessHost* host) {
 868   int id = host->GetID();
 869   Profile* profile = Profile::FromBrowserContext(host->GetBrowserContext());
 870   net::URLRequestContextGetter* context =
 871       profile->GetRequestContextForRenderProcess(id);
 872
 873   host->AddFilter(new ChromeRenderMessageFilter(id, profile));
 874 #if defined(ENABLE_EXTENSIONS)
 875   host->AddFilter(new cast::CastTransportHostFilter);
 876 #endif
 877 #if defined(ENABLE_PRINTING)
 878   host->AddFilter(new printing::PrintingMessageFilter(id, profile));
 879 #endif
 880   host->AddFilter(new SearchProviderInstallStateMessageFilter(id, profile));
 881 #if defined(ENABLE_SPELLCHECK)
 882   host->AddFilter(new SpellCheckMessageFilter(id));
 883 #endif
 884 #if defined(OS_MACOSX)
 885   host->AddFilter(new SpellCheckMessageFilterMac(id));
 886 #endif
 887   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(profile, context));
 888   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
 889   host->AddFilter(new TtsMessageFilter(id, host->GetBrowserContext()));
 890 #if defined(ENABLE_WEBRTC)
 891   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
 892       new WebRtcLoggingHandlerHost(profile);
 893   host->SetWebRtcLogMessageCallback(base::Bind(
 894       &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
 895   host->AddFilter(webrtc_logging_handler_host);
 896   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
 897       webrtc_logging_handler_host));
 898 #endif
 899 #if !defined(DISABLE_NACL)
 900   host->AddFilter(new nacl::NaClHostMessageFilter(
 901       id, profile->IsOffTheRecord(),
 902       profile->GetPath(),
 903       context));
 904 #endif
 905 #if defined(OS_ANDROID)
 906   host->AddFilter(new cdm::CdmMessageFilterAndroid());
 907 #endif
 908   if (switches::IsEnableAccountConsistency())
 909     host->AddFilter(new PrincipalsMessageFilter(id));
 910
 911   host->Send(new ChromeViewMsg_SetIsIncognitoProcess(
 912       profile->IsOffTheRecord()));
 913
 914   for (size_t i = 0; i < extra_parts_.size(); ++i)
 915     extra_parts_[i]->RenderProcessWillLaunch(host);
 916
 917   RendererContentSettingRules rules;
 918   if (host->IsIsolatedGuest()) {
 919 #if defined(ENABLE_EXTENSIONS)
 920     GetGuestViewDefaultContentSettingRules(profile->IsOffTheRecord(), &rules);
 921 #else
 922     NOTREACHED();
 923 #endif
 924   } else {
 925     GetRendererContentSettingRules(
 926         profile->GetHostContentSettingsMap(), &rules);
 927   }
 928   host->Send(new ChromeViewMsg_SetContentSettingRules(rules));
 929 }
 930
 931 GURL ChromeContentBrowserClient::GetEffectiveURL(
 932     content::BrowserContext* browser_context, const GURL& url) {
 933   Profile* profile = Profile::FromBrowserContext(browser_context);
 934   if (!profile)
 935     return url;
 936
 937   // If the input |url| should be assigned to the Instant renderer, make its
 938   // effective URL distinct from other URLs on the search provider's domain.
 939   if (chrome::ShouldAssignURLToInstantRenderer(url, profile))
 940     return chrome::GetEffectiveURLForInstant(url, profile);
 941
 942 #if !defined(OS_CHROMEOS)
 943   // If the input |url| should be assigned to the Signin renderer, make its
 944   // effective URL distinct from other URLs on the signin service's domain.
 945   // Note that the signin renderer will be allowed to sign the user in to
 946   // Chrome.
 947   if (SigninManager::IsWebBasedSigninFlowURL(url))
 948     return GetEffectiveURLForSignin(url);
 949 #endif
 950
 951 #if defined(ENABLE_EXTENSIONS)
 952   return ChromeContentBrowserClientExtensionsPart::GetEffectiveURL(
 953       profile, url);
 954 #else
 955   return url;
 956 #endif
 957 }
 958
 959 bool ChromeContentBrowserClient::ShouldUseProcessPerSite(
 960     content::BrowserContext* browser_context, const GURL& effective_url) {
 961   // Non-extension, non-Instant URLs should generally use
 962   // process-per-site-instance.  Because we expect to use the effective URL,
 963   // URLs for hosted apps (apart from bookmark apps) should have an extension
 964   // scheme by now.
 965
 966   Profile* profile = Profile::FromBrowserContext(browser_context);
 967   if (!profile)
 968     return false;
 969
 970   if (chrome::ShouldUseProcessPerSiteForInstantURL(effective_url, profile))
 971     return true;
 972
 973 #if !defined(OS_CHROMEOS)
 974   if (SigninManager::IsWebBasedSigninFlowURL(effective_url))
 975     return true;
 976 #endif
 977
 978 #if defined(ENABLE_EXTENSIONS)
 979   return ChromeContentBrowserClientExtensionsPart::ShouldUseProcessPerSite(
 980       profile, effective_url);
 981 #else
 982   return false;
 983 #endif
 984 }
 985
 986 // These are treated as WebUI schemes but do not get WebUI bindings. Also,
 987 // view-source is allowed for these schemes.
 988 void ChromeContentBrowserClient::GetAdditionalWebUISchemes(
 989     std::vector<std::string>* additional_schemes) {
 990   additional_schemes->push_back(chrome::kChromeSearchScheme);
 991   additional_schemes->push_back(dom_distiller::kDomDistillerScheme);
 992 }
 993
 994 void ChromeContentBrowserClient::GetAdditionalWebUIHostsToIgnoreParititionCheck(
 995     std::vector<std::string>* hosts) {
 996   hosts->push_back(chrome::kChromeUIExtensionIconHost);
 997   hosts->push_back(chrome::kChromeUIFaviconHost);
 998   hosts->push_back(chrome::kChromeUIThemeHost);
 999   hosts->push_back(chrome::kChromeUIThumbnailHost);
1000   hosts->push_back(chrome::kChromeUIThumbnailHost2);
1001   hosts->push_back(chrome::kChromeUIThumbnailListHost);
1002 }
1003
1004 net::URLRequestContextGetter*
1005 ChromeContentBrowserClient::CreateRequestContext(
1006     content::BrowserContext* browser_context,
1007     content::ProtocolHandlerMap* protocol_handlers,
1008     content::URLRequestInterceptorScopedVector request_interceptors) {
1009   Profile* profile = Profile::FromBrowserContext(browser_context);
1010   return profile->CreateRequestContext(protocol_handlers,
1011                                        request_interceptors.Pass());
1012 }
1013
1014 net::URLRequestContextGetter*
1015 ChromeContentBrowserClient::CreateRequestContextForStoragePartition(
1016     content::BrowserContext* browser_context,
1017     const base::FilePath& partition_path,
1018     bool in_memory,
1019     content::ProtocolHandlerMap* protocol_handlers,
1020     content::URLRequestInterceptorScopedVector request_interceptors) {
1021   Profile* profile = Profile::FromBrowserContext(browser_context);
1022   return profile->CreateRequestContextForStoragePartition(
1023       partition_path,
1024       in_memory,
1025       protocol_handlers,
1026       request_interceptors.Pass());
1027 }
1028
1029 bool ChromeContentBrowserClient::IsHandledURL(const GURL& url) {
1030   return ProfileIOData::IsHandledURL(url);
1031 }
1032
1033 bool ChromeContentBrowserClient::CanCommitURL(
1034     content::RenderProcessHost* process_host,
1035     const GURL& url) {
1036 #if defined(ENABLE_EXTENSIONS)
1037   return ChromeContentBrowserClientExtensionsPart::CanCommitURL(
1038       process_host, url);
1039 #else
1040   return true;
1041 #endif
1042 }
1043
1044 bool ChromeContentBrowserClient::ShouldAllowOpenURL(
1045     content::SiteInstance* site_instance, const GURL& url) {
1046   GURL from_url = site_instance->GetSiteURL();
1047
1048 #if defined(ENABLE_EXTENSIONS)
1049   bool result;
1050   if (ChromeContentBrowserClientExtensionsPart::ShouldAllowOpenURL(
1051       site_instance, from_url, url, &result))
1052     return result;
1053 #endif
1054
1055   // Do not allow chrome://chrome-signin navigate to other chrome:// URLs, since
1056   // the signin page may host untrusted web content.
1057   if (from_url.GetOrigin().spec() == chrome::kChromeUIChromeSigninURL &&
1058       url.SchemeIs(content::kChromeUIScheme) &&
1059       url.host() != chrome::kChromeUIChromeSigninHost) {
1060     VLOG(1) << "Blocked navigation to " << url.spec() << " from "
1061             << chrome::kChromeUIChromeSigninURL;
1062     return false;
1063   }
1064
1065   return true;
1066 }
1067
1068 bool ChromeContentBrowserClient::IsSuitableHost(
1069     content::RenderProcessHost* process_host,
1070     const GURL& site_url) {
1071   Profile* profile =
1072       Profile::FromBrowserContext(process_host->GetBrowserContext());
1073   // This may be NULL during tests. In that case, just assume any site can
1074   // share any host.
1075   if (!profile)
1076     return true;
1077
1078   // Instant URLs should only be in the instant process and instant process
1079   // should only have Instant URLs.
1080   InstantService* instant_service =
1081       InstantServiceFactory::GetForProfile(profile);
1082   if (instant_service) {
1083     bool is_instant_process = instant_service->IsInstantProcess(
1084         process_host->GetID());
1085     bool should_be_in_instant_process =
1086         chrome::ShouldAssignURLToInstantRenderer(site_url, profile);
1087     if (is_instant_process || should_be_in_instant_process)
1088       return is_instant_process && should_be_in_instant_process;
1089   }
1090
1091 #if !defined(OS_CHROMEOS)
1092   SigninClient* signin_client =
1093       ChromeSigninClientFactory::GetForProfile(profile);
1094   if (signin_client && signin_client->IsSigninProcess(process_host->GetID()))
1095     return SigninManager::IsWebBasedSigninFlowURL(site_url);
1096 #endif
1097
1098 #if defined(ENABLE_EXTENSIONS)
1099   return ChromeContentBrowserClientExtensionsPart::IsSuitableHost(
1100       profile, process_host, site_url);
1101 #else
1102   return true;
1103 #endif
1104 }
1105
1106 bool ChromeContentBrowserClient::MayReuseHost(
1107     content::RenderProcessHost* process_host) {
1108   // If there is currently a prerender in progress for the host provided,
1109   // it may not be shared. We require prerenders to be by themselves in a
1110   // separate process, so that we can monitor their resource usage, and so that
1111   // we can track the cookies that they change.
1112   Profile* profile = Profile::FromBrowserContext(
1113       process_host->GetBrowserContext());
1114   prerender::PrerenderManager* prerender_manager =
1115       prerender::PrerenderManagerFactory::GetForProfile(profile);
1116   if (prerender_manager &&
1117       !prerender_manager->MayReuseProcessHost(process_host)) {
1118     return false;
1119   }
1120
1121   return true;
1122 }
1123
1124 bool ChromeContentBrowserClient::ShouldTryToUseExistingProcessHost(
1125     content::BrowserContext* browser_context, const GURL& url) {
1126   // It has to be a valid URL for us to check for an extension.
1127   if (!url.is_valid())
1128     return false;
1129
1130 #if defined(ENABLE_EXTENSIONS)
1131   Profile* profile = Profile::FromBrowserContext(browser_context);
1132   return ChromeContentBrowserClientExtensionsPart::
1133       ShouldTryToUseExistingProcessHost(
1134           profile, url);
1135 #else
1136   return false;
1137 #endif
1138 }
1139
1140 void ChromeContentBrowserClient::SiteInstanceGotProcess(
1141     SiteInstance* site_instance) {
1142   CHECK(site_instance->HasProcess());
1143
1144   Profile* profile = Profile::FromBrowserContext(
1145       site_instance->GetBrowserContext());
1146   if (!profile)
1147     return;
1148
1149   // Remember the ID of the Instant process to signal the renderer process
1150   // on startup in |AppendExtraCommandLineSwitches| below.
1151   if (chrome::ShouldAssignURLToInstantRenderer(
1152           site_instance->GetSiteURL(), profile)) {
1153     InstantService* instant_service =
1154         InstantServiceFactory::GetForProfile(profile);
1155     if (instant_service)
1156       instant_service->AddInstantProcess(site_instance->GetProcess()->GetID());
1157   }
1158
1159 #if !defined(OS_CHROMEOS)
1160   // We only expect there to be one signin process as we use process-per-site
1161   // for signin URLs. The signin process will be cleared from SigninManager
1162   // when the renderer is destroyed.
1163   if (SigninManager::IsWebBasedSigninFlowURL(site_instance->GetSiteURL())) {
1164     SigninClient* signin_client =
1165         ChromeSigninClientFactory::GetForProfile(profile);
1166     if (signin_client)
1167       signin_client->SetSigninProcess(site_instance->GetProcess()->GetID());
1168 #if defined(ENABLE_EXTENSIONS)
1169     ChromeContentBrowserClientExtensionsPart::SetSigninProcess(site_instance);
1170 #endif
1171   }
1172 #endif
1173
1174   for (size_t i = 0; i < extra_parts_.size(); ++i)
1175     extra_parts_[i]->SiteInstanceGotProcess(site_instance);
1176 }
1177
1178 void ChromeContentBrowserClient::SiteInstanceDeleting(
1179     SiteInstance* site_instance) {
1180   if (!site_instance->HasProcess())
1181     return;
1182
1183   for (size_t i = 0; i < extra_parts_.size(); ++i)
1184     extra_parts_[i]->SiteInstanceDeleting(site_instance);
1185 }
1186
1187 bool ChromeContentBrowserClient::ShouldSwapBrowsingInstancesForNavigation(
1188     SiteInstance* site_instance,
1189     const GURL& current_url,
1190     const GURL& new_url) {
1191 #if defined(ENABLE_EXTENSIONS)
1192   return ChromeContentBrowserClientExtensionsPart::
1193       ShouldSwapBrowsingInstancesForNavigation(
1194           site_instance, current_url, new_url);
1195 #else
1196   return false;
1197 #endif
1198 }
1199
1200 bool ChromeContentBrowserClient::ShouldSwapProcessesForRedirect(
1201     content::ResourceContext* resource_context, const GURL& current_url,
1202     const GURL& new_url) {
1203 #if defined(ENABLE_EXTENSIONS)
1204   return ChromeContentBrowserClientExtensionsPart::
1205       ShouldSwapProcessesForRedirect(resource_context, current_url, new_url);
1206 #else
1207   return false;
1208 #endif
1209 }
1210
1211 bool ChromeContentBrowserClient::ShouldAssignSiteForURL(const GURL& url) {
1212   return !url.SchemeIs(chrome::kChromeNativeScheme);
1213 }
1214
1215 std::string ChromeContentBrowserClient::GetCanonicalEncodingNameByAliasName(
1216     const std::string& alias_name) {
1217   return CharacterEncoding::GetCanonicalEncodingNameByAliasName(alias_name);
1218 }
1219
1220 namespace {
1221
1222 bool IsAutoReloadEnabled() {
1223   // Fetch the field trial, even though we don't use it. Calling FindFullName()
1224   // causes the field-trial mechanism to report which group we're in, which
1225   // might reflect a hard disable or hard enable via flag, both of which have
1226   // their own field trial groups. This lets us know what percentage of users
1227   // manually enable or disable auto-reload.
1228   std::string group = base::FieldTrialList::FindFullName(
1229       "AutoReloadExperiment");
1230   const base::CommandLine& browser_command_line =
1231       *base::CommandLine::ForCurrentProcess();
1232   if (browser_command_line.HasSwitch(switches::kEnableOfflineAutoReload))
1233     return true;
1234   if (browser_command_line.HasSwitch(switches::kDisableOfflineAutoReload))
1235     return false;
1236   return true;
1237 }
1238
1239 bool IsAutoReloadVisibleOnlyEnabled() {
1240   // See the block comment in IsAutoReloadEnabled().
1241   std::string group = base::FieldTrialList::FindFullName(
1242       "AutoReloadVisibleOnlyExperiment");
1243   const base::CommandLine& browser_command_line =
1244       *base::CommandLine::ForCurrentProcess();
1245   if (browser_command_line.HasSwitch(
1246       switches::kEnableOfflineAutoReloadVisibleOnly)) {
1247     return true;
1248   }
1249   if (browser_command_line.HasSwitch(
1250       switches::kDisableOfflineAutoReloadVisibleOnly)) {
1251     return false;
1252   }
1253   return true;
1254 }
1255
1256 }  // namespace
1257
1258 void ChromeContentBrowserClient::AppendExtraCommandLineSwitches(
1259     base::CommandLine* command_line,
1260     int child_process_id) {
1261 #if defined(OS_POSIX)
1262   if (breakpad::IsCrashReporterEnabled()) {
1263     scoped_ptr<metrics::ClientInfo> client_info =
1264         GoogleUpdateSettings::LoadMetricsClientInfo();
1265     command_line->AppendSwitchASCII(switches::kEnableCrashReporter,
1266                                     client_info ? client_info->client_id
1267                                                 : std::string());
1268   }
1269 #endif  // defined(OS_POSIX)
1270
1271   if (logging::DialogsAreSuppressed())
1272     command_line->AppendSwitch(switches::kNoErrorDialogs);
1273
1274   std::string process_type =
1275       command_line->GetSwitchValueASCII(switches::kProcessType);
1276   const base::CommandLine& browser_command_line =
1277       *base::CommandLine::ForCurrentProcess();
1278
1279   static const char* const kCommonSwitchNames[] = {
1280     switches::kUserAgent,
1281     switches::kUserDataDir,  // Make logs go to the right file.
1282   };
1283   command_line->CopySwitchesFrom(browser_command_line, kCommonSwitchNames,
1284                                  arraysize(kCommonSwitchNames));
1285
1286 #if defined(ENABLE_IPC_FUZZER)
1287   static const char* const kIpcFuzzerSwitches[] = {
1288     switches::kIpcFuzzerTestcase,
1289   };
1290   command_line->CopySwitchesFrom(browser_command_line, kIpcFuzzerSwitches,
1291                                  arraysize(kIpcFuzzerSwitches));
1292 #endif
1293
1294 #if defined(OS_CHROMEOS)
1295   // On Chrome OS need to pass primary user homedir (in multi-profiles session).
1296   base::FilePath homedir;
1297   PathService::Get(base::DIR_HOME, &homedir);
1298   command_line->AppendSwitchASCII(chromeos::switches::kHomedir,
1299                                   homedir.value().c_str());
1300 #endif
1301
1302   if (process_type == switches::kRendererProcess) {
1303     content::RenderProcessHost* process =
1304         content::RenderProcessHost::FromID(child_process_id);
1305     Profile* profile =
1306         process ? Profile::FromBrowserContext(process->GetBrowserContext())
1307                 : NULL;
1308     for (size_t i = 0; i < extra_parts_.size(); ++i) {
1309       extra_parts_[i]->AppendExtraRendererCommandLineSwitches(
1310           command_line, process, profile);
1311     }
1312
1313 #if defined(OS_CHROMEOS)
1314     const std::string& login_profile =
1315         browser_command_line.GetSwitchValueASCII(
1316             chromeos::switches::kLoginProfile);
1317     if (!login_profile.empty())
1318       command_line->AppendSwitchASCII(
1319           chromeos::switches::kLoginProfile, login_profile);
1320 #endif
1321
1322 #if defined(ENABLE_WEBRTC)
1323     MaybeCopyDisableWebRtcEncryptionSwitch(command_line,
1324                                            browser_command_line,
1325                                            VersionInfo::GetChannel());
1326 #endif
1327
1328     if (process) {
1329       PrefService* prefs = profile->GetPrefs();
1330       // Currently this pref is only registered if applied via a policy.
1331       if (prefs->HasPrefPath(prefs::kDisable3DAPIs) &&
1332           prefs->GetBoolean(prefs::kDisable3DAPIs)) {
1333         // Turn this policy into a command line switch.
1334         command_line->AppendSwitch(switches::kDisable3DAPIs);
1335       }
1336
1337       const base::ListValue* switches =
1338           prefs->GetList(prefs::kEnableDeprecatedWebPlatformFeatures);
1339       if (switches) {
1340         // Enable any deprecated features that have been re-enabled by policy.
1341         for (base::ListValue::const_iterator it = switches->begin();
1342              it != switches->end(); ++it) {
1343           std::string switch_to_enable;
1344           if ((*it)->GetAsString(&switch_to_enable))
1345             command_line->AppendSwitch(switch_to_enable);
1346         }
1347       }
1348
1349       // Disable client-side phishing detection in the renderer if it is
1350       // disabled in the Profile preferences or the browser process.
1351       if (!prefs->GetBoolean(prefs::kSafeBrowsingEnabled) ||
1352           !g_browser_process->safe_browsing_detection_service()) {
1353         command_line->AppendSwitch(
1354             switches::kDisableClientSidePhishingDetection);
1355       }
1356
1357       if (prefs->GetBoolean(prefs::kPrintPreviewDisabled))
1358         command_line->AppendSwitch(switches::kDisablePrintPreview);
1359
1360       InstantService* instant_service =
1361           InstantServiceFactory::GetForProfile(profile);
1362       if (instant_service &&
1363           instant_service->IsInstantProcess(process->GetID()))
1364         command_line->AppendSwitch(switches::kInstantProcess);
1365
1366 #if !defined(OS_CHROMEOS)
1367       SigninClient* signin_client =
1368           ChromeSigninClientFactory::GetForProfile(profile);
1369       if (signin_client && signin_client->IsSigninProcess(process->GetID()))
1370         command_line->AppendSwitch(switches::kSigninProcess);
1371 #endif
1372     }
1373
1374     if (IsAutoReloadEnabled())
1375       command_line->AppendSwitch(switches::kEnableOfflineAutoReload);
1376     if (IsAutoReloadVisibleOnlyEnabled()) {
1377       command_line->AppendSwitch(
1378           switches::kEnableOfflineAutoReloadVisibleOnly);
1379     }
1380
1381     {
1382       // Enable load stale cache if this session is in the field trial or
1383       // the user explicitly enabled it.  Note that as far as the renderer
1384       // is concerned, the feature is enabled if-and-only-if the
1385       // kEnableOfflineLoadStaleCache flag is on the command line;
1386       // the yes/no/default behavior is only at the browser command line
1387       // level.
1388
1389       // Command line switches override
1390       if (browser_command_line.HasSwitch(
1391               switches::kEnableOfflineLoadStaleCache)) {
1392         command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1393       } else if (!browser_command_line.HasSwitch(
1394           switches::kDisableOfflineLoadStaleCache)) {
1395         std::string group =
1396             base::FieldTrialList::FindFullName("LoadStaleCacheExperiment");
1397
1398         if (group == "Enabled")
1399           command_line->AppendSwitch(switches::kEnableOfflineLoadStaleCache);
1400       }
1401     }
1402
1403     // Please keep this in alphabetical order.
1404     static const char* const kSwitchNames[] = {
1405       autofill::switches::kDisableFillOnAccountSelect,
1406       autofill::switches::kDisablePasswordGeneration,
1407       autofill::switches::kEnableFillOnAccountSelect,
1408       autofill::switches::kEnableFillOnAccountSelectNoHighlighting,
1409       autofill::switches::kEnablePasswordGeneration,
1410       autofill::switches::kEnablePasswordSaveOnInPageNavigation,
1411       autofill::switches::kEnableSingleClickAutofill,
1412       autofill::switches::kIgnoreAutocompleteOffForAutofill,
1413       autofill::switches::kLocalHeuristicsOnlyForPasswordGeneration,
1414       autofill::switches::kRespectAutocompleteOffForAutofill,
1415 #if defined(ENABLE_EXTENSIONS)
1416       extensions::switches::kAllowHTTPBackgroundPage,
1417       extensions::switches::kAllowLegacyExtensionManifests,
1418       extensions::switches::kEnableSurfaceWorker,
1419       extensions::switches::kEnableAppWindowControls,
1420       extensions::switches::kEnableEmbeddedExtensionOptions,
1421       extensions::switches::kEnableExperimentalExtensionApis,
1422       extensions::switches::kEnableScriptsRequireAction,
1423       extensions::switches::kExtensionsOnChromeURLs,
1424       extensions::switches::kWhitelistedExtensionID,
1425 #endif
1426       switches::kAppsCheckoutURL,
1427       switches::kAppsGalleryURL,
1428       switches::kCloudPrintURL,
1429       switches::kCloudPrintXmppEndpoint,
1430       switches::kDisableBundledPpapiFlash,
1431       switches::kDisableCastStreamingHWEncoding,
1432       switches::kDisableJavaScriptHarmonyShipping,
1433       switches::kDisableOutOfProcessPdf,
1434       switches::kEnableBenchmarking,
1435       switches::kEnableNaCl,
1436 #if !defined(DISABLE_NACL)
1437       switches::kEnableNaClDebug,
1438       switches::kEnableNaClNonSfiMode,
1439 #endif
1440       switches::kEnableNetBenchmarking,
1441       switches::kEnableNewBookmarkApps,
1442       switches::kEnableOutOfProcessPdf,
1443       switches::kEnablePluginPlaceholderShadowDom,
1444       switches::kEnableShowModalDialog,
1445       switches::kEnableWebBasedSignin,
1446       switches::kJavaScriptHarmony,
1447       switches::kMessageLoopHistogrammer,
1448       switches::kPlaybackMode,
1449       switches::kPpapiFlashArgs,
1450       switches::kPpapiFlashPath,
1451       switches::kPpapiFlashVersion,
1452       switches::kProfilingAtStart,
1453       switches::kProfilingFile,
1454       switches::kProfilingFlush,
1455       switches::kRecordMode,
1456       translate::switches::kTranslateSecurityOrigin,
1457     };
1458
1459     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1460                                    arraysize(kSwitchNames));
1461   } else if (process_type == switches::kUtilityProcess) {
1462 #if defined(ENABLE_EXTENSIONS)
1463     static const char* const kSwitchNames[] = {
1464       extensions::switches::kAllowHTTPBackgroundPage,
1465       extensions::switches::kEnableExperimentalExtensionApis,
1466       extensions::switches::kExtensionsOnChromeURLs,
1467       extensions::switches::kWhitelistedExtensionID,
1468     };
1469
1470     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1471                                    arraysize(kSwitchNames));
1472 #endif
1473   } else if (process_type == switches::kPluginProcess) {
1474 #if defined(OS_CHROMEOS)
1475     static const char* const kSwitchNames[] = {
1476       chromeos::switches::kLoginProfile,
1477     };
1478
1479     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1480                                    arraysize(kSwitchNames));
1481 #endif
1482   } else if (process_type == switches::kZygoteProcess) {
1483     static const char* const kSwitchNames[] = {
1484       // Load (in-process) Pepper plugins in-process in the zygote pre-sandbox.
1485       switches::kDisableBundledPpapiFlash,
1486 #if !defined(DISABLE_NACL)
1487       switches::kEnableNaClDebug,
1488       switches::kEnableNaClNonSfiMode,
1489       switches::kNaClDangerousNoSandboxNonSfi,
1490       switches::kUseNaClHelperNonSfi,
1491 #endif
1492       switches::kPpapiFlashPath,
1493       switches::kPpapiFlashVersion,
1494     };
1495
1496     command_line->CopySwitchesFrom(browser_command_line, kSwitchNames,
1497                                    arraysize(kSwitchNames));
1498   } else if (process_type == switches::kGpuProcess) {
1499     // If --ignore-gpu-blacklist is passed in, don't send in crash reports
1500     // because GPU is expected to be unreliable.
1501     if (browser_command_line.HasSwitch(switches::kIgnoreGpuBlacklist) &&
1502         !command_line->HasSwitch(switches::kDisableBreakpad))
1503       command_line->AppendSwitch(switches::kDisableBreakpad);
1504   }
1505
1506   // The command line switch kEnableBenchmarking needs to be specified along
1507   // with the kEnableStatsTable switch to ensure that the stats table global
1508   // is initialized correctly.
1509   if (command_line->HasSwitch(switches::kEnableBenchmarking))
1510     DCHECK(command_line->HasSwitch(switches::kEnableStatsTable));
1511 }
1512
1513 std::string ChromeContentBrowserClient::GetApplicationLocale() {
1514   if (BrowserThread::CurrentlyOn(BrowserThread::IO))
1515     return g_io_thread_application_locale.Get();
1516   return g_browser_process->GetApplicationLocale();
1517 }
1518
1519 std::string ChromeContentBrowserClient::GetAcceptLangs(
1520     content::BrowserContext* context) {
1521   Profile* profile = Profile::FromBrowserContext(context);
1522   return profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
1523 }
1524
1525 const gfx::ImageSkia* ChromeContentBrowserClient::GetDefaultFavicon() {
1526   ResourceBundle& rb = ResourceBundle::GetSharedInstance();
1527   return rb.GetNativeImageNamed(IDR_DEFAULT_FAVICON).ToImageSkia();
1528 }
1529
1530 bool ChromeContentBrowserClient::AllowAppCache(
1531     const GURL& manifest_url,
1532     const GURL& first_party,
1533     content::ResourceContext* context) {
1534   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1535   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1536   return io_data->GetCookieSettings()->
1537       IsSettingCookieAllowed(manifest_url, first_party);
1538 }
1539
1540 bool ChromeContentBrowserClient::AllowServiceWorker(
1541     const GURL& scope,
1542     const GURL& first_party_url,
1543     content::ResourceContext* context) {
1544   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1545   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1546   return io_data->GetCookieSettings()->
1547       IsSettingCookieAllowed(scope, first_party_url);
1548 }
1549
1550 bool ChromeContentBrowserClient::AllowGetCookie(
1551     const GURL& url,
1552     const GURL& first_party,
1553     const net::CookieList& cookie_list,
1554     content::ResourceContext* context,
1555     int render_process_id,
1556     int render_frame_id) {
1557   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1558   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1559   bool allow = io_data->GetCookieSettings()->
1560       IsReadingCookieAllowed(url, first_party);
1561
1562   BrowserThread::PostTask(
1563       BrowserThread::UI, FROM_HERE,
1564       base::Bind(&TabSpecificContentSettings::CookiesRead, render_process_id,
1565                  render_frame_id, url, first_party, cookie_list, !allow, true));
1566   return allow;
1567 }
1568
1569 bool ChromeContentBrowserClient::AllowSetCookie(
1570     const GURL& url,
1571     const GURL& first_party,
1572     const std::string& cookie_line,
1573     content::ResourceContext* context,
1574     int render_process_id,
1575     int render_frame_id,
1576     net::CookieOptions* options) {
1577   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1578   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1579   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1580   bool allow = cookie_settings->IsSettingCookieAllowed(url, first_party);
1581
1582   if (prerender_tracker_) {
1583     prerender_tracker_->OnCookieChangedForURL(
1584         render_process_id,
1585         context->GetRequestContext()->cookie_store()->GetCookieMonster(),
1586         url);
1587   }
1588
1589   BrowserThread::PostTask(
1590       BrowserThread::UI, FROM_HERE,
1591       base::Bind(&TabSpecificContentSettings::CookieChanged, render_process_id,
1592                  render_frame_id, url, first_party, cookie_line, *options,
1593                  !allow));
1594   return allow;
1595 }
1596
1597 bool ChromeContentBrowserClient::AllowSaveLocalState(
1598     content::ResourceContext* context) {
1599   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1600   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1601   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1602   ContentSetting setting = cookie_settings->GetDefaultCookieSetting(NULL);
1603
1604   // TODO(bauerb): Should we also disallow local state if the default is BLOCK?
1605   // Could we even support per-origin settings?
1606   return setting != CONTENT_SETTING_SESSION_ONLY;
1607 }
1608
1609 bool ChromeContentBrowserClient::AllowWorkerDatabase(
1610     const GURL& url,
1611     const base::string16& name,
1612     const base::string16& display_name,
1613     unsigned long estimated_size,
1614     content::ResourceContext* context,
1615     const std::vector<std::pair<int, int> >& render_frames) {
1616   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1617   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1618   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1619   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1620
1621   // Record access to database for potential display in UI.
1622   std::vector<std::pair<int, int> >::const_iterator i;
1623   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1624     BrowserThread::PostTask(
1625         BrowserThread::UI, FROM_HERE,
1626         base::Bind(&TabSpecificContentSettings::WebDatabaseAccessed,
1627                    i->first, i->second, url, name, display_name, !allow));
1628   }
1629
1630   return allow;
1631 }
1632
1633 void ChromeContentBrowserClient::AllowWorkerFileSystem(
1634     const GURL& url,
1635     content::ResourceContext* context,
1636     const std::vector<std::pair<int, int> >& render_frames,
1637     base::Callback<void(bool)> callback) {
1638   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1639   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1640   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1641   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1642
1643 #if defined(ENABLE_EXTENSIONS)
1644   GuestPermissionRequestHelper(url, render_frames, callback, allow);
1645 #else
1646   FileSystemAccessed(url, render_frames, callback, allow);
1647 #endif
1648 }
1649
1650 #if defined(ENABLE_EXTENSIONS)
1651 void ChromeContentBrowserClient::GuestPermissionRequestHelper(
1652     const GURL& url,
1653     const std::vector<std::pair<int, int> >& render_frames,
1654     base::Callback<void(bool)> callback,
1655     bool allow) {
1656   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::IO));
1657   std::vector<std::pair<int, int> >::const_iterator i;
1658   std::map<int, int> process_map;
1659   std::map<int, int>::const_iterator it;
1660   bool has_web_view_guest = false;
1661   // Record access to file system for potential display in UI.
1662   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1663     if (process_map.find(i->first) != process_map.end())
1664       continue;
1665
1666     process_map.insert(std::pair<int, int>(i->first, i->second));
1667
1668     if (extensions::WebViewRendererState::GetInstance()->IsGuest(i->first))
1669       has_web_view_guest = true;
1670   }
1671   if (!has_web_view_guest) {
1672     FileSystemAccessed(url, render_frames, callback, allow);
1673     return;
1674   }
1675   DCHECK_EQ(1U, process_map.size());
1676   it = process_map.begin();
1677   BrowserThread::PostTask(
1678       BrowserThread::UI,
1679       FROM_HERE,
1680       base::Bind(&ChromeContentBrowserClient::
1681                   RequestFileSystemPermissionOnUIThread,
1682                   it->first,
1683                   it->second,
1684                   url,
1685                   allow,
1686                   base::Bind(&ChromeContentBrowserClient::FileSystemAccessed,
1687                             weak_factory_.GetWeakPtr(),
1688                             url,
1689                             render_frames,
1690                             callback)));
1691 }
1692
1693 void ChromeContentBrowserClient::RequestFileSystemPermissionOnUIThread(
1694     int render_process_id,
1695     int render_frame_id,
1696     const GURL& url,
1697     bool allowed_by_default,
1698     const base::Callback<void(bool)>& callback) {
1699   DCHECK(BrowserThread:: CurrentlyOn(BrowserThread::UI));
1700   extensions::WebViewPermissionHelper* web_view_permission_helper =
1701       extensions::WebViewPermissionHelper::FromFrameID(
1702           render_process_id, render_frame_id);
1703   web_view_permission_helper->RequestFileSystemPermission(url,
1704                                                           allowed_by_default,
1705                                                           callback);
1706 }
1707 #endif
1708
1709 void ChromeContentBrowserClient::FileSystemAccessed(
1710     const GURL& url,
1711     const std::vector<std::pair<int, int> >& render_frames,
1712     base::Callback<void(bool)> callback,
1713     bool allow) {
1714   // Record access to file system for potential display in UI.
1715   std::vector<std::pair<int, int> >::const_iterator i;
1716   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1717     BrowserThread::PostTask(
1718         BrowserThread::UI,
1719         FROM_HERE,
1720         base::Bind(&TabSpecificContentSettings::FileSystemAccessed,
1721                    i->first, i->second, url, !allow));
1722   }
1723   callback.Run(allow);
1724 }
1725
1726 bool ChromeContentBrowserClient::AllowWorkerIndexedDB(
1727     const GURL& url,
1728     const base::string16& name,
1729     content::ResourceContext* context,
1730     const std::vector<std::pair<int, int> >& render_frames) {
1731   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1732   ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1733   CookieSettings* cookie_settings = io_data->GetCookieSettings();
1734   bool allow = cookie_settings->IsSettingCookieAllowed(url, url);
1735
1736   // Record access to IndexedDB for potential display in UI.
1737   std::vector<std::pair<int, int> >::const_iterator i;
1738   for (i = render_frames.begin(); i != render_frames.end(); ++i) {
1739     BrowserThread::PostTask(
1740         BrowserThread::UI, FROM_HERE,
1741         base::Bind(&TabSpecificContentSettings::IndexedDBAccessed,
1742                    i->first, i->second, url, name, !allow));
1743   }
1744
1745   return allow;
1746 }
1747
1748 net::URLRequestContext*
1749 ChromeContentBrowserClient::OverrideRequestContextForURL(
1750     const GURL& url, content::ResourceContext* context) {
1751   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
1752 #if defined(ENABLE_EXTENSIONS)
1753   if (url.SchemeIs(extensions::kExtensionScheme)) {
1754     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
1755     return io_data->extensions_request_context();
1756   }
1757 #endif
1758
1759   return NULL;
1760 }
1761
1762 QuotaPermissionContext*
1763 ChromeContentBrowserClient::CreateQuotaPermissionContext() {
1764   return new ChromeQuotaPermissionContext();
1765 }
1766
1767 void ChromeContentBrowserClient::AllowCertificateError(
1768     int render_process_id,
1769     int render_frame_id,
1770     int cert_error,
1771     const net::SSLInfo& ssl_info,
1772     const GURL& request_url,
1773     ResourceType resource_type,
1774     bool overridable,
1775     bool strict_enforcement,
1776     bool expired_previous_decision,
1777     const base::Callback<void(bool)>& callback,
1778     content::CertificateRequestResultType* result) {
1779   if (resource_type != content::RESOURCE_TYPE_MAIN_FRAME) {
1780     // A sub-resource has a certificate error.  The user doesn't really
1781     // have a context for making the right decision, so block the
1782     // request hard, without an info bar to allow showing the insecure
1783     // content.
1784     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_DENY;
1785     return;
1786   }
1787
1788   // If the tab is being prerendered, cancel the prerender and the request.
1789   content::RenderFrameHost* render_frame_host =
1790       content::RenderFrameHost::FromID(render_process_id, render_frame_id);
1791   WebContents* tab = WebContents::FromRenderFrameHost(render_frame_host);
1792   if (!tab) {
1793     NOTREACHED();
1794     return;
1795   }
1796
1797   prerender::PrerenderContents* prerender_contents =
1798       prerender::PrerenderContents::FromWebContents(tab);
1799   if (prerender_contents) {
1800     prerender_contents->Destroy(prerender::FINAL_STATUS_SSL_ERROR);
1801     *result = content::CERTIFICATE_REQUEST_RESULT_TYPE_CANCEL;
1802     return;
1803   }
1804
1805   // Otherwise, display an SSL blocking page. The interstitial page takes
1806   // ownership of ssl_blocking_page.
1807   int options_mask = 0;
1808   if (overridable)
1809     options_mask |= SSLBlockingPage::OVERRIDABLE;
1810   if (strict_enforcement)
1811     options_mask |= SSLBlockingPage::STRICT_ENFORCEMENT;
1812   if (expired_previous_decision)
1813     options_mask |= SSLBlockingPage::EXPIRED_BUT_PREVIOUSLY_ALLOWED;
1814
1815   SSLErrorHandler::HandleSSLError(
1816       tab, cert_error, ssl_info, request_url, options_mask, callback);
1817 }
1818
1819 void ChromeContentBrowserClient::SelectClientCertificate(
1820     int render_process_id,
1821     int render_frame_id,
1822     net::SSLCertRequestInfo* cert_request_info,
1823     const base::Callback<void(net::X509Certificate*)>& callback) {
1824   content::RenderFrameHost* rfh = content::RenderFrameHost::FromID(
1825       render_process_id, render_frame_id);
1826   WebContents* tab = WebContents::FromRenderFrameHost(rfh);
1827   if (!tab) {
1828     // TODO(davidben): This makes the request hang, but returning no certificate
1829     // also breaks. It should abort the request. See https://crbug.com/417092
1830     return;
1831   }
1832
1833   prerender::PrerenderContents* prerender_contents =
1834       prerender::PrerenderContents::FromWebContents(tab);
1835   if (prerender_contents) {
1836     prerender_contents->Destroy(
1837         prerender::FINAL_STATUS_SSL_CLIENT_CERTIFICATE_REQUESTED);
1838     return;
1839   }
1840
1841   GURL requesting_url("https://" + cert_request_info->host_and_port.ToString());
1842   DCHECK(requesting_url.is_valid())
1843       << "Invalid URL string: https://"
1844       << cert_request_info->host_and_port.ToString();
1845
1846   Profile* profile = Profile::FromBrowserContext(tab->GetBrowserContext());
1847   scoped_ptr<base::Value> filter =
1848       profile->GetHostContentSettingsMap()->GetWebsiteSetting(
1849           requesting_url,
1850           requesting_url,
1851           CONTENT_SETTINGS_TYPE_AUTO_SELECT_CERTIFICATE,
1852           std::string(),
1853           NULL);
1854
1855   if (filter.get()) {
1856     // Try to automatically select a client certificate.
1857     if (filter->IsType(base::Value::TYPE_DICTIONARY)) {
1858       base::DictionaryValue* filter_dict =
1859           static_cast<base::DictionaryValue*>(filter.get());
1860
1861       const std::vector<scoped_refptr<net::X509Certificate> >&
1862           all_client_certs = cert_request_info->client_certs;
1863       for (size_t i = 0; i < all_client_certs.size(); ++i) {
1864         if (CertMatchesFilter(*all_client_certs[i].get(), *filter_dict)) {
1865           // Use the first certificate that is matched by the filter.
1866           callback.Run(all_client_certs[i].get());
1867           return;
1868         }
1869       }
1870     } else {
1871       NOTREACHED();
1872     }
1873   }
1874
1875   chrome::ShowSSLClientCertificateSelector(tab, cert_request_info, callback);
1876 }
1877
1878 void ChromeContentBrowserClient::AddCertificate(
1879     net::CertificateMimeType cert_type,
1880     const void* cert_data,
1881     size_t cert_size,
1882     int render_process_id,
1883     int render_frame_id) {
1884   chrome::SSLAddCertificate(cert_type, cert_data, cert_size,
1885                             render_process_id, render_frame_id);
1886 }
1887
1888 content::MediaObserver* ChromeContentBrowserClient::GetMediaObserver() {
1889   return MediaCaptureDevicesDispatcher::GetInstance();
1890 }
1891
1892 content::PlatformNotificationService*
1893 ChromeContentBrowserClient::GetPlatformNotificationService() {
1894 #if defined(ENABLE_NOTIFICATIONS)
1895   return PlatformNotificationServiceImpl::GetInstance();
1896 #else
1897   NOTIMPLEMENTED();
1898   return NULL;
1899 #endif
1900 }
1901
1902 void ChromeContentBrowserClient::RequestPermission(
1903     content::PermissionType permission,
1904     content::WebContents* web_contents,
1905     int bridge_id,
1906     const GURL& requesting_frame,
1907     bool user_gesture,
1908     const base::Callback<void(bool)>& result_callback) {
1909   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
1910   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
1911   Profile* profile =
1912       Profile::FromBrowserContext(web_contents->GetBrowserContext());
1913
1914   const PermissionRequestID request_id(render_process_id,
1915                                        render_view_id,
1916                                        bridge_id,
1917                                        requesting_frame);
1918
1919   switch (permission) {
1920     case content::PERMISSION_MIDI_SYSEX:
1921       MidiPermissionContextFactory::GetForProfile(profile)
1922           ->RequestPermission(web_contents,
1923                               request_id,
1924                               requesting_frame,
1925                               user_gesture,
1926                               result_callback);
1927       break;
1928     case content::PERMISSION_NOTIFICATIONS:
1929 #if defined(ENABLE_NOTIFICATIONS)
1930       DesktopNotificationServiceFactory::GetForProfile(profile)
1931           ->RequestNotificationPermission(web_contents,
1932                                           request_id,
1933                                           requesting_frame,
1934                                           user_gesture,
1935                                           result_callback);
1936 #else
1937       NOTIMPLEMENTED();
1938 #endif
1939       break;
1940     case content::PERMISSION_GEOLOCATION:
1941       GeolocationPermissionContextFactory::GetForProfile(profile)
1942           ->RequestPermission(web_contents,
1943                               request_id,
1944                               requesting_frame.GetOrigin(),
1945                               user_gesture,
1946                               result_callback);
1947       break;
1948     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
1949 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
1950       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
1951           ->RequestPermission(web_contents,
1952                               request_id,
1953                               requesting_frame.GetOrigin(),
1954                               user_gesture,
1955                               result_callback);
1956 #else
1957       NOTIMPLEMENTED();
1958 #endif
1959       break;
1960     case content::PERMISSION_PUSH_MESSAGING:
1961       gcm::PushMessagingPermissionContextFactory::GetForProfile(profile)
1962           ->RequestPermission(web_contents,
1963                               request_id,
1964                               requesting_frame.GetOrigin(),
1965                               user_gesture,
1966                               result_callback);
1967       break;
1968     case content::PERMISSION_NUM:
1969       NOTREACHED() << "Invalid RequestPermission for " << permission;
1970       break;
1971   }
1972 }
1973
1974 content::PermissionStatus ChromeContentBrowserClient::GetPermissionStatus(
1975     content::PermissionType permission,
1976     content::BrowserContext* browser_context,
1977     const GURL& requesting_origin,
1978     const GURL& embedding_origin) {
1979   DCHECK(browser_context);
1980   Profile* profile = Profile::FromBrowserContext(browser_context);
1981   PermissionContextBase* context = GetPermissionContext(profile, permission);
1982
1983   if (!context)
1984     return content::PERMISSION_STATUS_ASK;
1985
1986   return ContentSettingToPermissionStatus(
1987       context->GetPermissionStatus(requesting_origin.GetOrigin(),
1988                                    embedding_origin.GetOrigin()));
1989 }
1990
1991 void ChromeContentBrowserClient::ResetPermission(
1992     content::PermissionType permission,
1993     content::BrowserContext* browser_context,
1994     const GURL& requesting_origin,
1995     const GURL& embedding_origin) {
1996   DCHECK(browser_context);
1997   Profile* profile = Profile::FromBrowserContext(browser_context);
1998   PermissionContextBase* context = GetPermissionContext(profile, permission);
1999
2000   if (!context)
2001     return;
2002
2003   context->ResetPermission(requesting_origin.GetOrigin(),
2004                            embedding_origin.GetOrigin());
2005 }
2006
2007 void ChromeContentBrowserClient::CancelPermissionRequest(
2008     content::PermissionType permission,
2009     content::WebContents* web_contents,
2010     int bridge_id,
2011     const GURL& requesting_frame) {
2012   int render_process_id = web_contents->GetRenderProcessHost()->GetID();
2013   int render_view_id = web_contents->GetRenderViewHost()->GetRoutingID();
2014
2015   const PermissionRequestID request_id(render_process_id,
2016                                        render_view_id,
2017                                        bridge_id,
2018                                        requesting_frame);
2019   Profile* profile =
2020       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2021   switch (permission) {
2022     case content::PERMISSION_MIDI_SYSEX:
2023       MidiPermissionContextFactory::GetForProfile(profile)
2024           ->CancelPermissionRequest(web_contents, request_id);
2025       break;
2026     case content::PERMISSION_NOTIFICATIONS:
2027 #if defined(ENABLE_NOTIFICATIONS)
2028       DesktopNotificationServiceFactory::GetForProfile(profile)
2029           ->CancelPermissionRequest(web_contents, request_id);
2030 #else
2031       NOTIMPLEMENTED();
2032 #endif
2033       break;
2034     case content::PERMISSION_GEOLOCATION:
2035       GeolocationPermissionContextFactory::GetForProfile(profile)
2036           ->CancelPermissionRequest(web_contents, request_id);
2037       break;
2038     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
2039 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
2040       ProtectedMediaIdentifierPermissionContextFactory::GetForProfile(profile)
2041           ->CancelPermissionRequest(web_contents, request_id);
2042 #else
2043       NOTIMPLEMENTED();
2044 #endif
2045       break;
2046     case content::PERMISSION_PUSH_MESSAGING:
2047       NOTIMPLEMENTED() << "CancelPermission not implemented for " << permission;
2048       break;
2049     case content::PERMISSION_NUM:
2050       NOTREACHED() << "Invalid CancelPermission for " << permission;
2051       break;
2052   }
2053 }
2054
2055 // Helper method to translate from Permissions to ContentSettings
2056 static ContentSettingsType PermissionToContentSetting(
2057     content::PermissionType permission) {
2058   switch (permission) {
2059     case content::PERMISSION_MIDI_SYSEX:
2060       return CONTENT_SETTINGS_TYPE_MIDI_SYSEX;
2061     case content::PERMISSION_PUSH_MESSAGING:
2062       return CONTENT_SETTINGS_TYPE_PUSH_MESSAGING;
2063     case content::PERMISSION_NOTIFICATIONS:
2064       return CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
2065     case content::PERMISSION_GEOLOCATION:
2066       return CONTENT_SETTINGS_TYPE_GEOLOCATION;
2067 #if defined(OS_ANDROID) || defined(OS_CHROMEOS)
2068     case content::PERMISSION_PROTECTED_MEDIA_IDENTIFIER:
2069       return CONTENT_SETTINGS_TYPE_PROTECTED_MEDIA_IDENTIFIER;
2070 #endif
2071     default:
2072       NOTREACHED() << "Unknown content setting for permission " << permission;
2073       return CONTENT_SETTINGS_TYPE_DEFAULT;
2074   }
2075 }
2076
2077 void ChromeContentBrowserClient::RegisterPermissionUsage(
2078     content::PermissionType permission,
2079     content::WebContents* web_contents,
2080     const GURL& frame_url,
2081     const GURL& main_frame_url) {
2082   Profile::FromBrowserContext(web_contents->GetBrowserContext())
2083       ->GetHostContentSettingsMap()
2084       ->UpdateLastUsage(
2085           frame_url, main_frame_url, PermissionToContentSetting(permission));
2086 }
2087
2088 bool ChromeContentBrowserClient::CanCreateWindow(
2089     const GURL& opener_url,
2090     const GURL& opener_top_level_frame_url,
2091     const GURL& source_origin,
2092     WindowContainerType container_type,
2093     const GURL& target_url,
2094     const content::Referrer& referrer,
2095     WindowOpenDisposition disposition,
2096     const WebWindowFeatures& features,
2097     bool user_gesture,
2098     bool opener_suppressed,
2099     content::ResourceContext* context,
2100     int render_process_id,
2101     int opener_id,
2102     bool* no_javascript_access) {
2103   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2104
2105   *no_javascript_access = false;
2106
2107   // If the opener is trying to create a background window but doesn't have
2108   // the appropriate permission, fail the attempt.
2109   if (container_type == WINDOW_CONTAINER_TYPE_BACKGROUND) {
2110 #if defined(ENABLE_EXTENSIONS)
2111     ProfileIOData* io_data = ProfileIOData::FromResourceContext(context);
2112     InfoMap* map = io_data->GetExtensionInfoMap();
2113     if (!map->SecurityOriginHasAPIPermission(
2114             source_origin,
2115             render_process_id,
2116             APIPermission::kBackground)) {
2117       return false;
2118     }
2119
2120     // Note: this use of GetExtensionOrAppByURL is safe but imperfect.  It may
2121     // return a recently installed Extension even if this CanCreateWindow call
2122     // was made by an old copy of the page in a normal web process.  That's ok,
2123     // because the permission check above would have caused an early return
2124     // already. We must use the full URL to find hosted apps, though, and not
2125     // just the origin.
2126     const Extension* extension =
2127         map->extensions().GetExtensionOrAppByURL(opener_url);
2128     if (extension && !extensions::BackgroundInfo::AllowJSAccess(extension))
2129       *no_javascript_access = true;
2130 #endif
2131
2132     return true;
2133   }
2134
2135 #if defined(ENABLE_EXTENSIONS)
2136   if (extensions::WebViewRendererState::GetInstance()->IsGuest(
2137       render_process_id))
2138     return true;
2139 #endif
2140
2141   HostContentSettingsMap* content_settings =
2142       ProfileIOData::FromResourceContext(context)->GetHostContentSettingsMap();
2143   BlockedWindowParams blocked_params(target_url,
2144                                      referrer,
2145                                      disposition,
2146                                      features,
2147                                      user_gesture,
2148                                      opener_suppressed,
2149                                      render_process_id,
2150                                      opener_id);
2151
2152   if (!user_gesture &&
2153       !base::CommandLine::ForCurrentProcess()->HasSwitch(
2154           switches::kDisablePopupBlocking)) {
2155     if (content_settings->GetContentSetting(opener_top_level_frame_url,
2156                                             opener_top_level_frame_url,
2157                                             CONTENT_SETTINGS_TYPE_POPUPS,
2158                                             std::string()) !=
2159         CONTENT_SETTING_ALLOW) {
2160       BrowserThread::PostTask(BrowserThread::UI,
2161                               FROM_HERE,
2162                               base::Bind(&HandleBlockedPopupOnUIThread,
2163                                          blocked_params));
2164       return false;
2165     }
2166   }
2167
2168 #if defined(OS_ANDROID)
2169   if (SingleTabModeTabHelper::IsRegistered(render_process_id, opener_id)) {
2170     BrowserThread::PostTask(BrowserThread::UI,
2171                             FROM_HERE,
2172                             base::Bind(&HandleSingleTabModeBlockOnUIThread,
2173                                        blocked_params));
2174     return false;
2175   }
2176 #endif
2177
2178   return true;
2179 }
2180
2181 void ChromeContentBrowserClient::ResourceDispatcherHostCreated() {
2182   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2183   prerender_tracker_ = g_browser_process->prerender_tracker();
2184   return g_browser_process->ResourceDispatcherHostCreated();
2185 }
2186
2187 content::SpeechRecognitionManagerDelegate*
2188     ChromeContentBrowserClient::CreateSpeechRecognitionManagerDelegate() {
2189   return new speech::ChromeSpeechRecognitionManagerDelegate();
2190 }
2191
2192 net::NetLog* ChromeContentBrowserClient::GetNetLog() {
2193   return g_browser_process->net_log();
2194 }
2195
2196 AccessTokenStore* ChromeContentBrowserClient::CreateAccessTokenStore() {
2197   return new ChromeAccessTokenStore();
2198 }
2199
2200 bool ChromeContentBrowserClient::IsFastShutdownPossible() {
2201   return true;
2202 }
2203
2204 void ChromeContentBrowserClient::OverrideWebkitPrefs(
2205     RenderViewHost* rvh, const GURL& url, WebPreferences* web_prefs) {
2206   Profile* profile = Profile::FromBrowserContext(
2207       rvh->GetProcess()->GetBrowserContext());
2208   PrefService* prefs = profile->GetPrefs();
2209
2210   // Fill per-script font preferences. These are not registered on Android
2211   // - http://crbug.com/308033.
2212 #if !defined(OS_ANDROID)
2213   FontFamilyCache::FillFontFamilyMap(profile,
2214                                      prefs::kWebKitStandardFontFamilyMap,
2215                                      &web_prefs->standard_font_family_map);
2216   FontFamilyCache::FillFontFamilyMap(profile,
2217                                      prefs::kWebKitFixedFontFamilyMap,
2218                                      &web_prefs->fixed_font_family_map);
2219   FontFamilyCache::FillFontFamilyMap(profile,
2220                                      prefs::kWebKitSerifFontFamilyMap,
2221                                      &web_prefs->serif_font_family_map);
2222   FontFamilyCache::FillFontFamilyMap(profile,
2223                                      prefs::kWebKitSansSerifFontFamilyMap,
2224                                      &web_prefs->sans_serif_font_family_map);
2225   FontFamilyCache::FillFontFamilyMap(profile,
2226                                      prefs::kWebKitCursiveFontFamilyMap,
2227                                      &web_prefs->cursive_font_family_map);
2228   FontFamilyCache::FillFontFamilyMap(profile,
2229                                      prefs::kWebKitFantasyFontFamilyMap,
2230                                      &web_prefs->fantasy_font_family_map);
2231   FontFamilyCache::FillFontFamilyMap(profile,
2232                                      prefs::kWebKitPictographFontFamilyMap,
2233                                      &web_prefs->pictograph_font_family_map);
2234 #endif
2235
2236   web_prefs->default_font_size =
2237       prefs->GetInteger(prefs::kWebKitDefaultFontSize);
2238   web_prefs->default_fixed_font_size =
2239       prefs->GetInteger(prefs::kWebKitDefaultFixedFontSize);
2240   web_prefs->minimum_font_size =
2241       prefs->GetInteger(prefs::kWebKitMinimumFontSize);
2242   web_prefs->minimum_logical_font_size =
2243       prefs->GetInteger(prefs::kWebKitMinimumLogicalFontSize);
2244
2245   web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2246
2247   web_prefs->javascript_can_open_windows_automatically =
2248       prefs->GetBoolean(prefs::kWebKitJavascriptCanOpenWindowsAutomatically);
2249   web_prefs->dom_paste_enabled =
2250       prefs->GetBoolean(prefs::kWebKitDomPasteEnabled);
2251   web_prefs->shrinks_standalone_images_to_fit =
2252       prefs->GetBoolean(prefs::kWebKitShrinksStandaloneImagesToFit);
2253   web_prefs->tabs_to_links = prefs->GetBoolean(prefs::kWebkitTabsToLinks);
2254
2255   if (!prefs->GetBoolean(prefs::kWebKitJavascriptEnabled))
2256     web_prefs->javascript_enabled = false;
2257   if (!prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled))
2258     web_prefs->web_security_enabled = false;
2259   if (!prefs->GetBoolean(prefs::kWebKitPluginsEnabled))
2260     web_prefs->plugins_enabled = false;
2261   if (!prefs->GetBoolean(prefs::kWebKitJavaEnabled))
2262     web_prefs->java_enabled = false;
2263   web_prefs->loads_images_automatically =
2264       prefs->GetBoolean(prefs::kWebKitLoadsImagesAutomatically);
2265
2266   if (prefs->GetBoolean(prefs::kDisable3DAPIs))
2267     web_prefs->experimental_webgl_enabled = false;
2268
2269   web_prefs->allow_displaying_insecure_content =
2270       prefs->GetBoolean(prefs::kWebKitAllowDisplayingInsecureContent);
2271   web_prefs->allow_running_insecure_content =
2272       prefs->GetBoolean(prefs::kWebKitAllowRunningInsecureContent);
2273 #if defined(OS_ANDROID)
2274   web_prefs->font_scale_factor =
2275       static_cast<float>(prefs->GetDouble(prefs::kWebKitFontScaleFactor));
2276   web_prefs->device_scale_adjustment = GetDeviceScaleAdjustment();
2277   web_prefs->force_enable_zoom =
2278       prefs->GetBoolean(prefs::kWebKitForceEnableZoom);
2279 #endif
2280
2281 #if defined(OS_ANDROID)
2282   web_prefs->password_echo_enabled =
2283       prefs->GetBoolean(prefs::kWebKitPasswordEchoEnabled);
2284 #else
2285   web_prefs->password_echo_enabled = browser_defaults::kPasswordEchoEnabled;
2286 #endif
2287
2288   web_prefs->asynchronous_spell_checking_enabled = true;
2289   web_prefs->unified_textchecker_enabled = true;
2290
2291   web_prefs->uses_universal_detector =
2292       prefs->GetBoolean(prefs::kWebKitUsesUniversalDetector);
2293   web_prefs->text_areas_are_resizable =
2294       prefs->GetBoolean(prefs::kWebKitTextAreasAreResizable);
2295   web_prefs->hyperlink_auditing_enabled =
2296       prefs->GetBoolean(prefs::kEnableHyperlinkAuditing);
2297
2298   // Make sure we will set the default_encoding with canonical encoding name.
2299   web_prefs->default_encoding =
2300       CharacterEncoding::GetCanonicalEncodingNameByAliasName(
2301           web_prefs->default_encoding);
2302   if (web_prefs->default_encoding.empty()) {
2303     prefs->ClearPref(prefs::kDefaultCharset);
2304     web_prefs->default_encoding = prefs->GetString(prefs::kDefaultCharset);
2305   }
2306   DCHECK(!web_prefs->default_encoding.empty());
2307
2308   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
2309           switches::kEnablePotentiallyAnnoyingSecurityFeatures)) {
2310     web_prefs->disable_reading_from_canvas = true;
2311     web_prefs->strict_mixed_content_checking = true;
2312     web_prefs->strict_powerful_feature_restrictions = true;
2313   }
2314
2315   for (size_t i = 0; i < extra_parts_.size(); ++i)
2316     extra_parts_[i]->OverrideWebkitPrefs(rvh, url, web_prefs);
2317 }
2318
2319 void ChromeContentBrowserClient::BrowserURLHandlerCreated(
2320     BrowserURLHandler* handler) {
2321   for (size_t i = 0; i < extra_parts_.size(); ++i)
2322     extra_parts_[i]->BrowserURLHandlerCreated(handler);
2323
2324   // about: handler. Must come before chrome: handler, since it will
2325   // rewrite about: urls to chrome: URLs and then expect chrome: to
2326   // actually handle them.
2327   handler->AddHandlerPair(&WillHandleBrowserAboutURL,
2328                           BrowserURLHandler::null_handler());
2329
2330 #if defined(OS_ANDROID)
2331   // Handler to rewrite chrome://newtab on Android.
2332   handler->AddHandlerPair(&chrome::android::HandleAndroidNativePageURL,
2333                           BrowserURLHandler::null_handler());
2334 #else
2335   // Handler to rewrite chrome://newtab for InstantExtended.
2336   handler->AddHandlerPair(&chrome::HandleNewTabURLRewrite,
2337                           &chrome::HandleNewTabURLReverseRewrite);
2338 #endif
2339
2340   // chrome: & friends.
2341   handler->AddHandlerPair(&HandleWebUI, &HandleWebUIReverse);
2342 }
2343
2344 void ChromeContentBrowserClient::ClearCache(RenderViewHost* rvh) {
2345   Profile* profile = Profile::FromBrowserContext(
2346       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2347   BrowsingDataRemover* remover =
2348       BrowsingDataRemover::CreateForUnboundedRange(profile);
2349   remover->Remove(BrowsingDataRemover::REMOVE_CACHE,
2350                   BrowsingDataHelper::UNPROTECTED_WEB);
2351   // BrowsingDataRemover takes care of deleting itself when done.
2352 }
2353
2354 void ChromeContentBrowserClient::ClearCookies(RenderViewHost* rvh) {
2355   Profile* profile = Profile::FromBrowserContext(
2356       rvh->GetSiteInstance()->GetProcess()->GetBrowserContext());
2357   BrowsingDataRemover* remover =
2358       BrowsingDataRemover::CreateForUnboundedRange(profile);
2359   int remove_mask = BrowsingDataRemover::REMOVE_SITE_DATA;
2360   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
2361   // BrowsingDataRemover takes care of deleting itself when done.
2362 }
2363
2364 base::FilePath ChromeContentBrowserClient::GetDefaultDownloadDirectory() {
2365   return DownloadPrefs::GetDefaultDownloadDirectory();
2366 }
2367
2368 std::string ChromeContentBrowserClient::GetDefaultDownloadName() {
2369   return l10n_util::GetStringUTF8(IDS_DEFAULT_DOWNLOAD_FILENAME);
2370 }
2371
2372 void ChromeContentBrowserClient::DidCreatePpapiPlugin(
2373     content::BrowserPpapiHost* browser_host) {
2374 #if defined(ENABLE_PLUGINS)
2375   ChromeContentBrowserClientPluginsPart::DidCreatePpapiPlugin(browser_host);
2376 #endif
2377 }
2378
2379 content::BrowserPpapiHost*
2380     ChromeContentBrowserClient::GetExternalBrowserPpapiHost(
2381         int plugin_process_id) {
2382 #if !defined(DISABLE_NACL)
2383   content::BrowserChildProcessHostIterator iter(PROCESS_TYPE_NACL_LOADER);
2384   while (!iter.Done()) {
2385     nacl::NaClProcessHost* host = static_cast<nacl::NaClProcessHost*>(
2386         iter.GetDelegate());
2387     if (host->process() &&
2388         host->process()->GetData().id == plugin_process_id) {
2389       // Found the plugin.
2390       return host->browser_ppapi_host();
2391     }
2392     ++iter;
2393   }
2394 #endif
2395   return NULL;
2396 }
2397
2398 bool ChromeContentBrowserClient::AllowPepperSocketAPI(
2399     content::BrowserContext* browser_context,
2400     const GURL& url,
2401     bool private_api,
2402     const content::SocketPermissionRequest* params) {
2403 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2404   return ChromeContentBrowserClientPluginsPart::AllowPepperSocketAPI(
2405       browser_context, url, private_api, params, allowed_socket_origins_);
2406 #else
2407   return false;
2408 #endif
2409 }
2410
2411 ui::SelectFilePolicy* ChromeContentBrowserClient::CreateSelectFilePolicy(
2412     WebContents* web_contents) {
2413   return new ChromeSelectFilePolicy(web_contents);
2414 }
2415
2416 void ChromeContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2417     std::vector<std::string>* additional_allowed_schemes) {
2418   ContentBrowserClient::GetAdditionalAllowedSchemesForFileSystem(
2419       additional_allowed_schemes);
2420   additional_allowed_schemes->push_back(content::kChromeDevToolsScheme);
2421   additional_allowed_schemes->push_back(content::kChromeUIScheme);
2422   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2423     extra_parts_[i]->GetAdditionalAllowedSchemesForFileSystem(
2424         additional_allowed_schemes);
2425   }
2426 }
2427
2428 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
2429     std::vector<storage::URLRequestAutoMountHandler>* handlers) {
2430   for (size_t i = 0; i < extra_parts_.size(); ++i)
2431     extra_parts_[i]->GetURLRequestAutoMountHandlers(handlers);
2432 }
2433
2434 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(
2435     content::BrowserContext* browser_context,
2436     const base::FilePath& storage_partition_path,
2437     ScopedVector<storage::FileSystemBackend>* additional_backends) {
2438 #if defined(OS_CHROMEOS)
2439   storage::ExternalMountPoints* external_mount_points =
2440       content::BrowserContext::GetMountPoints(browser_context);
2441   DCHECK(external_mount_points);
2442   chromeos::FileSystemBackend* backend = new chromeos::FileSystemBackend(
2443       new drive::FileSystemBackendDelegate,
2444       new chromeos::file_system_provider::BackendDelegate,
2445       new chromeos::MTPFileSystemBackendDelegate(storage_partition_path),
2446       browser_context->GetSpecialStoragePolicy(),
2447       external_mount_points,
2448       storage::ExternalMountPoints::GetSystemInstance());
2449   backend->AddSystemMountPoints();
2450   DCHECK(backend->CanHandleType(storage::kFileSystemTypeExternal));
2451   additional_backends->push_back(backend);
2452 #endif
2453
2454   for (size_t i = 0; i < extra_parts_.size(); ++i) {
2455     extra_parts_[i]->GetAdditionalFileSystemBackends(
2456         browser_context, storage_partition_path, additional_backends);
2457   }
2458 }
2459
2460 #if defined(OS_POSIX) && !defined(OS_MACOSX)
2461 void ChromeContentBrowserClient::GetAdditionalMappedFilesForChildProcess(
2462     const base::CommandLine& command_line,
2463     int child_process_id,
2464     FileDescriptorInfo* mappings) {
2465 #if defined(OS_ANDROID)
2466   base::FilePath data_path;
2467   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &data_path);
2468   DCHECK(!data_path.empty());
2469
2470   int flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2471   base::FilePath chrome_resources_pak =
2472       data_path.AppendASCII("chrome_100_percent.pak");
2473   base::File file(chrome_resources_pak, flags);
2474   DCHECK(file.IsValid());
2475   mappings->Transfer(kAndroidChrome100PercentPakDescriptor,
2476                      base::ScopedFD(file.TakePlatformFile()));
2477
2478   const std::string locale = GetApplicationLocale();
2479   base::FilePath locale_pak = ResourceBundle::GetSharedInstance().
2480       GetLocaleFilePath(locale, false);
2481   file.Initialize(locale_pak, flags);
2482   DCHECK(file.IsValid());
2483   mappings->Transfer(kAndroidLocalePakDescriptor,
2484                      base::ScopedFD(file.TakePlatformFile()));
2485
2486   base::FilePath resources_pack_path;
2487   PathService::Get(chrome::FILE_RESOURCES_PACK, &resources_pack_path);
2488   file.Initialize(resources_pack_path, flags);
2489   DCHECK(file.IsValid());
2490   mappings->Transfer(kAndroidUIResourcesPakDescriptor,
2491                      base::ScopedFD(file.TakePlatformFile()));
2492
2493   if (breakpad::IsCrashReporterEnabled()) {
2494     file = breakpad::CrashDumpManager::GetInstance()->CreateMinidumpFile(
2495                child_process_id);
2496     if (file.IsValid()) {
2497       mappings->Transfer(kAndroidMinidumpDescriptor,
2498                          base::ScopedFD(file.TakePlatformFile()));
2499     } else {
2500       LOG(ERROR) << "Failed to create file for minidump, crash reporting will "
2501                  "be disabled for this process.";
2502     }
2503   }
2504
2505   base::FilePath app_data_path;
2506   PathService::Get(base::DIR_ANDROID_APP_DATA, &app_data_path);
2507   DCHECK(!app_data_path.empty());
2508
2509   flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2510   base::FilePath icudata_path =
2511       app_data_path.AppendASCII(base::i18n::kIcuDataFileName);
2512   base::File icudata_file(icudata_path, flags);
2513   DCHECK(icudata_file.IsValid());
2514   mappings->Transfer(kAndroidICUDataDescriptor,
2515                      base::ScopedFD(icudata_file.TakePlatformFile()));
2516
2517 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
2518   base::FilePath v8_data_path;
2519   PathService::Get(base::DIR_ANDROID_APP_DATA, &v8_data_path);
2520   DCHECK(!v8_data_path.empty());
2521
2522   int file_flags = base::File::FLAG_OPEN | base::File::FLAG_READ;
2523   base::FilePath v8_natives_data_path =
2524       v8_data_path.AppendASCII(gin::IsolateHolder::kNativesFileName);
2525   base::FilePath v8_snapshot_data_path =
2526       v8_data_path.AppendASCII(gin::IsolateHolder::kSnapshotFileName);
2527   base::File v8_natives_data_file(v8_natives_data_path, file_flags);
2528   base::File v8_snapshot_data_file(v8_snapshot_data_path, file_flags);
2529   DCHECK(v8_natives_data_file.IsValid());
2530   DCHECK(v8_snapshot_data_file.IsValid());
2531   mappings->Transfer(kV8NativesDataDescriptor,
2532                      base::ScopedFD(v8_natives_data_file.TakePlatformFile()));
2533   mappings->Transfer(kV8SnapshotDataDescriptor,
2534                      base::ScopedFD(v8_snapshot_data_file.TakePlatformFile()));
2535 #endif  // V8_USE_EXTERNAL_STARTUP_DATA
2536
2537 #else
2538   int crash_signal_fd = GetCrashSignalFD(command_line);
2539   if (crash_signal_fd >= 0) {
2540     mappings->Share(kCrashDumpSignal, crash_signal_fd);
2541   }
2542 #endif  // defined(OS_ANDROID)
2543 }
2544 #endif  // defined(OS_POSIX) && !defined(OS_MACOSX)
2545
2546 #if defined(OS_WIN)
2547 const wchar_t* ChromeContentBrowserClient::GetResourceDllName() {
2548   return chrome::kBrowserResourcesDll;
2549 }
2550
2551 void ChromeContentBrowserClient::PreSpawnRenderer(
2552     sandbox::TargetPolicy* policy,
2553     bool* success) {
2554   // This code is duplicated in nacl_exe_win_64.cc.
2555   // Allow the server side of a pipe restricted to the "chrome.nacl."
2556   // namespace so that it cannot impersonate other system or other chrome
2557   // service pipes.
2558   sandbox::ResultCode result = policy->AddRule(
2559       sandbox::TargetPolicy::SUBSYS_NAMED_PIPES,
2560       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
2561       L"\\\\.\\pipe\\chrome.nacl.*");
2562   if (result != sandbox::SBOX_ALL_OK) {
2563     *success = false;
2564     return;
2565   }
2566
2567   // Renderers need to send named pipe handles and shared memory
2568   // segment handles to NaCl loader processes.
2569   result = policy->AddRule(sandbox::TargetPolicy::SUBSYS_HANDLES,
2570                            sandbox::TargetPolicy::HANDLES_DUP_ANY,
2571                            L"File");
2572   if (result != sandbox::SBOX_ALL_OK) {
2573     *success = false;
2574     return;
2575   }
2576 }
2577 #endif
2578
2579 bool ChromeContentBrowserClient::CheckMediaAccessPermission(
2580     content::BrowserContext* browser_context,
2581     const GURL& security_origin,
2582     content::MediaStreamType type) {
2583   return MediaCaptureDevicesDispatcher::GetInstance()
2584       ->CheckMediaAccessPermission(
2585           browser_context, security_origin, type);
2586 }
2587
2588 content::WebContents* ChromeContentBrowserClient::OpenURL(
2589     content::BrowserContext* browser_context,
2590     const content::OpenURLParams& params) {
2591   DCHECK_CURRENTLY_ON(BrowserThread::UI);
2592
2593 #if !defined(OS_ANDROID) && !defined(OS_IOS)
2594   NavigateParams nav_params(Profile::FromBrowserContext(browser_context),
2595                             params.url,
2596                             params.transition);
2597   FillNavigateParamsFromOpenURLParams(&nav_params, params);
2598   nav_params.user_gesture = params.user_gesture;
2599
2600   Navigate(&nav_params);
2601   return nav_params.target_contents;
2602 #else
2603   // TODO(mlamouri): write a chrome::Navigate() method for Android and iOS.
2604   // See https://crbug.com/448409.
2605   return nullptr;
2606 #endif // !defined(OS_ANDROID) && !defined(OS_IOS)
2607 }
2608
2609 content::DevToolsManagerDelegate*
2610 ChromeContentBrowserClient::GetDevToolsManagerDelegate() {
2611 #if defined(OS_ANDROID)
2612   return new DevToolsManagerDelegateAndroid();
2613 #else
2614   return new ChromeDevToolsManagerDelegate();
2615 #endif
2616 }
2617
2618 bool ChromeContentBrowserClient::IsPluginAllowedToCallRequestOSFileHandle(
2619     content::BrowserContext* browser_context,
2620     const GURL& url) {
2621 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2622   return ChromeContentBrowserClientPluginsPart::
2623       IsPluginAllowedToCallRequestOSFileHandle(browser_context, url,
2624                                                allowed_file_handle_origins_);
2625 #else
2626   return false;
2627 #endif
2628 }
2629
2630 bool ChromeContentBrowserClient::IsPluginAllowedToUseDevChannelAPIs(
2631     content::BrowserContext* browser_context,
2632     const GURL& url) {
2633 #if defined(ENABLE_PLUGINS) && defined(ENABLE_EXTENSIONS)
2634   return ChromeContentBrowserClientPluginsPart::
2635       IsPluginAllowedToUseDevChannelAPIs(browser_context, url,
2636                                          allowed_dev_channel_origins_);
2637 #else
2638   return false;
2639 #endif
2640 }
2641
2642 net::CookieStore*
2643 ChromeContentBrowserClient::OverrideCookieStoreForRenderProcess(
2644     int render_process_id) {
2645   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
2646   if (!prerender_tracker_)
2647     return NULL;
2648   return prerender_tracker_->GetPrerenderCookieStoreForRenderProcess(
2649                                  render_process_id).get();
2650 }
2651
2652 void ChromeContentBrowserClient::OverridePageVisibilityState(
2653       RenderFrameHost* render_frame_host,
2654       blink::WebPageVisibilityState* visibility_state) {
2655   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
2656
2657   WebContents* web_contents =
2658       WebContents::FromRenderFrameHost(render_frame_host);
2659   DCHECK(web_contents);
2660
2661   Profile* profile =
2662       Profile::FromBrowserContext(web_contents->GetBrowserContext());
2663   prerender::PrerenderManager* prerender_manager =
2664       prerender::PrerenderManagerFactory::GetForProfile(profile);
2665   if (prerender_manager &&
2666       prerender_manager->IsWebContentsPrerendering(web_contents, nullptr)) {
2667     *visibility_state = blink::WebPageVisibilityStatePrerender;
2668   }
2669 }
2670
2671 #if defined(ENABLE_WEBRTC)
2672 void ChromeContentBrowserClient::MaybeCopyDisableWebRtcEncryptionSwitch(
2673     base::CommandLine* to_command_line,
2674     const base::CommandLine& from_command_line,
2675     VersionInfo::Channel channel) {
2676 #if defined(OS_ANDROID)
2677   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2678       VersionInfo::CHANNEL_BETA;
2679 #else
2680   const VersionInfo::Channel kMaxDisableEncryptionChannel =
2681       VersionInfo::CHANNEL_DEV;
2682 #endif
2683   if (channel <= kMaxDisableEncryptionChannel) {
2684     static const char* const kWebRtcDevSwitchNames[] = {
2685       switches::kDisableWebRtcEncryption,
2686     };
2687     to_command_line->CopySwitchesFrom(from_command_line,
2688                                       kWebRtcDevSwitchNames,
2689                                       arraysize(kWebRtcDevSwitchNames));
2690   }
2691 }
2692 #endif  // defined(ENABLE_WEBRTC)
2693
2694 }  // namespace chrome