Revert 272458 "Adding more guts to the mojo spy."

Revert 272458 "Adding more guts to the mojo spy."

Compilation on Mac Builder (dbg)
FAILED: /Volumes/data/b/build/goma/gomacc ../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/mojo/spy/mojo_spy.websocket_server.o.d -DV8_DEPRECATION_WARNINGS -DBLINK_SCALE_FILTERS_AT_RECORD_TIME -D__ASSERT_MACROS_DEFINE_VERSIONS_WITHOUT_UNDERSCORE=0 -DCHROMIUM_BUILD -DCR_CLANG_REVISION=206824 -DCOMPONENT_BUILD -DUSE_LIBJPEG_TURBO=1 -DENABLE_ONE_CLICK_SIGNIN -DENABLE_REMOTING=1 -DENABLE_WEBRTC=1 -DENABLE_PEPPER_CDMS -DENABLE_CONFIGURATION_POLICY -DENABLE_NOTIFICATIONS -DENABLE_HIDPI=1 -DDISCARDABLE_MEMORY_ALWAYS_SUPPORTED_NATIVELY -DSYSTEM_NATIVELY_SIGNALS_MEMORY_PRESSURE -DENABLE_EGLIMAGE=1 -DENABLE_TASK_MANAGER=1 -DENABLE_EXTENSIONS=1 -DENABLE_PLUGIN_INSTALLATION=1 -DENABLE_PLUGINS=1 -DENABLE_SESSION_SERVICE=1 -DENABLE_THEMES=1 -DENABLE_AUTOFILL_DIALOG=1 -DENABLE_BACKGROUND=1 -DENABLE_GOOGLE_NOW=1 -DCLD_VERSION=2 -DENABLE_FULL_PRINTING=1 -DENABLE_PRINTING=1 -DENABLE_SPELLCHECK=1 -DENABLE_CAPTIVE_PORTAL_DETECTION=1 -DENABLE_APP_LIST=1 -DENABLE_SETTINGS_APP=1 -DENABLE_MANAGED_USERS=1 -DENABLE_SERVICE_DISCOVERY=1 -DENABLE_WIFI_BOOTSTRAPPING=1 -DMOJO_USE_SYSTEM_IMPL -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DWTF_USE_DYNAMIC_ANNOTATIONS=1 -I../.. -Igen -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.6.sdk -O0 -gdwarf-2 -fvisibility=hidden -Werror -Wnewline-eof -mmacosx-version-min=10.6 -arch i386 -Wall -Wendif-labels -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wheader-hygiene -Wno-c++11-narrowing -Wno-char-subscripts -Wno-unneeded-internal-declaration -Wno-covered-switch-default -Wstring-conversion -Wno-deprecated-register -Wno-selector-type-mismatch -std=gnu++11 -fno-rtti -fno-exceptions -fvisibility-inlines-hidden -fno-threadsafe-statics -Xclang -load -Xclang /Volumes/data/b/build/slave/Mac_Builder__dbg_/build/src/tools/clang/scripts/../../../third_party/llvm-build/Release+Asserts/lib/libFindBadConstructs.dylib -Xclang -add-plugin -Xclang find-bad-constructs -fcolor-diagnostics -fno-strict-aliasing -fstack-protector-all  -c ../../mojo/spy/websocket_server.cc -o obj/mojo/spy/mojo_spy.websocket_server.o
../../mojo/spy/websocket_server.cc:30:16:error: no member named 'SetClient' in 'mojo::spy_api::SpyServer'
  spy_server_->SetClient(this);
  ~~~~~~~~~~~  ^

> Adding more guts to the mojo spy.
>
> This CL fleshes out the basic architecture of the spy. Introducing SpyServerImpl and enough code to operate the "start" and "stop" commands of the front-end.
>
> Still a quite a few loose ends, specially on teardown.
>
> I updated the design doc to reflect this CL:
> https://docs.google.com/a/chromium.org/document/d/11FKYXf9mSohlsgl4JmGlyWE1ScX3DKdssdjub63tkwA/edit?usp=sharing
>
>
> BUG=360188
> TEST=manual via test/spy_repl_test.html
>
> Review URL: https://codereview.chromium.org/284743002

TBR=cpu@chromium.org

Review URL: https://codereview.chromium.org/296453021

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@272463 0039d316-1c4b-4281-b951-d872f2087c98