Remove base/win/metro.{cc|h} and some associated code

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_macros.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "components/navigation_metrics/navigation_metrics.h"
 #include "components/rappor/rappor_utils.h"
 #include "content/public/browser/browser_thread.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.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "url/gurl.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);
 
 NavigationMetricsRecorder::NavigationMetricsRecorder(
     content::WebContents* web_contents)
     : content::WebContentsObserver(web_contents) {
 }
 
 NavigationMetricsRecorder::~NavigationMetricsRecorder() {
 }
 
 void NavigationMetricsRecorder::DidNavigateMainFrame(
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   navigation_metrics::RecordMainFrameNavigation(details.entry->GetVirtualURL(),
                                                 details.is_in_page);
   // Record the domain and registry of the URL that resulted in a navigation to
   // a |data:| URL, either by redirects or user clicking a link.
   if (details.entry->GetVirtualURL().SchemeIs(url::kDataScheme) &&
       params.transition != ui::PAGE_TRANSITION_TYPED &&
       !details.previous_url.is_empty()) {
     rappor::SampleDomainAndRegistryFromGURL(g_browser_process->rappor_service(),
                                             "Navigation.Scheme.Data",
                                             details.previous_url);
   }
 }
-
-void NavigationMetricsRecorder::DidStartLoading() {
-#if defined(OS_WIN) && defined(USE_ASH)
-  content::RenderViewHost* rvh = web_contents()->GetRenderViewHost();
-
-  if (rvh && base::win::GetVersion() >= base::win::VERSION_WIN8) {
-    content::RenderWidgetHostView* rwhv = rvh->GetWidget()->GetView();
-    if (rwhv) {
-      gfx::NativeView native_view = rwhv->GetNativeView();
-      if (native_view) {
-        chrome::HostDesktopType desktop =
-            chrome::GetHostDesktopTypeForNativeView(native_view);
-        UMA_HISTOGRAM_ENUMERATION("Win8.PageLoad",
-                                  chrome::GetWin8Environment(desktop),
-                                  chrome::WIN_8_ENVIRONMENT_MAX);
-      }
-    }
-  }
-#endif
-}