components/navigation_metrics/navigation_metrics.cc

   1 // Copyright 2013 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 "components/navigation_metrics/navigation_metrics.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "url/gurl.h"
   9
  10 namespace {
  11
  12 enum Scheme {
  13   SCHEME_UNKNOWN,
  14   SCHEME_HTTP,
  15   SCHEME_HTTPS,
  16   SCHEME_FILE,
  17   SCHEME_FTP,
  18   SCHEME_DATA,
  19   SCHEME_JAVASCRIPT,
  20   SCHEME_ABOUT,
  21   SCHEME_CHROME,
  22   SCHEME_MAX,
  23 };
  24
  25 static const char* kSchemeNames[] = {
  26   "unknown",
  27   "http",
  28   "https",
  29   "file",
  30   "ftp",
  31   "data",
  32   "javascript",
  33   "about",
  34   "chrome",
  35   "max",
  36 };
  37
  38 COMPILE_ASSERT(arraysize(kSchemeNames) == SCHEME_MAX + 1,
  39                NavigationMetricsRecorder_name_count_mismatch);
  40
  41 }  // namespace
  42
  43 namespace navigation_metrics {
  44
  45 void RecordMainFrameNavigation(const GURL& url) {
  46   Scheme scheme = SCHEME_UNKNOWN;
  47   for (int i = 1; i < SCHEME_MAX; ++i) {
  48     if (url.SchemeIs(kSchemeNames[i])) {
  49       scheme = static_cast<Scheme>(i);
  50       break;
  51     }
  52   }
  53   UMA_HISTOGRAM_ENUMERATION(
  54       "Navigation.MainFrameScheme", scheme, SCHEME_MAX);
  55 }
  56
  57 }  // namespace navigation_metrics