Move Navigation.MainFrameScheme UMA recording to //components.

chrome/browser/tab_contents/navigation_metrics_recorder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/tab_contents/navigation_metrics_recorder.h"
 
 #include "base/metrics/histogram.h"
+#include "components/navigation_metrics/navigation_metrics.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #include "chrome/browser/metro_utils/metro_chrome_win.h"
 #endif
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(NavigationMetricsRecorder);
 
-namespace {
-
-enum Scheme {
-  SCHEME_UNKNOWN,
-  SCHEME_HTTP,
-  SCHEME_HTTPS,
-  SCHEME_FILE,
-  SCHEME_FTP,
-  SCHEME_DATA,
-  SCHEME_JAVASCRIPT,
-  SCHEME_ABOUT,
-  SCHEME_CHROME,
-  SCHEME_MAX,
-};
-
-static const char* kSchemeNames[] = {
-  "unknown",
-  "http",
-  "https",
-  "file",
-  "ftp",
-  "data",
-  "javascript",
-  "about",
-  "chrome",
-  "max",
-};
-
-COMPILE_ASSERT(arraysize(kSchemeNames) == SCHEME_MAX + 1,
-               NavigationMetricsRecorder_name_count_mismatch);
-
-void RecordMainFrameNavigation(const content::LoadCommittedDetails& details) {
-  GURL url = details.entry->GetVirtualURL();
-  Scheme scheme = SCHEME_UNKNOWN;
-  for (int i = 1; i < SCHEME_MAX; ++i) {
-    if (url.SchemeIs(kSchemeNames[i])) {
-      scheme = static_cast<Scheme>(i);
-      break;
-    }
-  }
-  UMA_HISTOGRAM_ENUMERATION(
-      "Navigation.MainFrameScheme", scheme, SCHEME_MAX);
-}
-
-}  // namespace
-
 NavigationMetricsRecorder::NavigationMetricsRecorder(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents) {
 }
 
 NavigationMetricsRecorder::~NavigationMetricsRecorder() {
 }
 
 void NavigationMetricsRecorder::DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) {
-  RecordMainFrameNavigation(details);
+  navigation_metrics::RecordMainFrameNavigation(details.entry->GetVirtualURL());
 }
 
 void NavigationMetricsRecorder::DidStartLoading(
     content::RenderViewHost* render_view_host) {
 #if defined(OS_WIN) && defined(USE_ASH)
   if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
     gfx::NativeView view = render_view_host->GetView()->GetNativeView();
     if (view) {
       chrome::HostDesktopType desktop =
           chrome::GetHostDesktopTypeForNativeView(view);
       UMA_HISTOGRAM_ENUMERATION("Win8.PageLoad",
                                 chrome::GetWin8Environment(desktop),
                                 chrome::WIN_8_ENVIRONMENT_MAX);
     }
   }
 #endif
 }