Highlight background pages in task manager if user clicks View Background Pages.

chrome/browser/ui/browser.cc

 // Copyright (c) 2011 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/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <shellapi.h>
 #include <windows.h>
 #endif  // OS_WIN
@@ skipping 1750 matching lines @@
     case DEVTOOLS_TOGGLE_ACTION_INSPECT:
     default:
       uma_string = "DevTools_ToggleWindow";
       break;
   }
   UserMetrics::RecordAction(UserMetricsAction(uma_string.c_str()), profile_);
   DevToolsManager::GetInstance()->ToggleDevToolsWindow(
       GetSelectedTabContentsWrapper()->render_view_host(), action);
 }
 
-void Browser::OpenTaskManager() {
+void Browser::OpenTaskManager(bool highlight_background_resources) {
   UserMetrics::RecordAction(UserMetricsAction("TaskManager"), profile_);
-  window_->ShowTaskManager();
+  if (highlight_background_resources)
+    window_->ShowBackgroundPages();
+  else
+    window_->ShowTaskManager();
 }
 
 void Browser::OpenBugReportDialog() {
   UserMetrics::RecordAction(UserMetricsAction("ReportBug"), profile_);
   browser::ShowHtmlBugReportView(this);
 }
 
 void Browser::ToggleBookmarkBar() {
   UserMetrics::RecordAction(UserMetricsAction("ShowBookmarksBar"), profile_);
   window_->ToggleBookmarkBar();
@@ skipping 471 matching lines @@
     case IDC_CREATE_SHORTCUTS:      OpenCreateShortcutsDialog();      break;
     case IDC_DEV_TOOLS:             ToggleDevToolsWindow(
                                         DEVTOOLS_TOGGLE_ACTION_NONE);
                                     break;
     case IDC_DEV_TOOLS_CONSOLE:     ToggleDevToolsWindow(
                                         DEVTOOLS_TOGGLE_ACTION_SHOW_CONSOLE);
                                     break;
     case IDC_DEV_TOOLS_INSPECT:     ToggleDevToolsWindow(
                                         DEVTOOLS_TOGGLE_ACTION_INSPECT);
                                     break;
-    case IDC_TASK_MANAGER:          // fall through to OpenTaskManager().
-    case IDC_VIEW_BACKGROUND_PAGES: OpenTaskManager();                break;
+    case IDC_TASK_MANAGER:          OpenTaskManager(false);           break;
+    case IDC_VIEW_BACKGROUND_PAGES: OpenTaskManager(true);            break;
     case IDC_FEEDBACK:              OpenBugReportDialog();            break;
 
     case IDC_SHOW_BOOKMARK_BAR:     ToggleBookmarkBar();              break;
     case IDC_PROFILING_ENABLED:     Profiling::Toggle();              break;
 
     case IDC_SHOW_BOOKMARK_MANAGER: OpenBookmarkManager();            break;
     case IDC_SHOW_APP_MENU:         ShowAppMenu();                    break;
     case IDC_SHOW_HISTORY:          ShowHistoryTab();                 break;
     case IDC_SHOW_DOWNLOADS:        ShowDownloadsTab();               break;
     case IDC_MANAGE_EXTENSIONS:     ShowExtensionsTab();              break;
@@ skipping 2033 matching lines @@
     // The page transition below is only for the purpose of inserting the tab.
     browser->AddTab(view_source_contents, PageTransition::LINK);
   }
 
   if (profile_->HasSessionService()) {
     SessionService* session_service = profile_->GetSessionService();
     if (session_service)
       session_service->TabRestored(&view_source_contents->controller(), false);
   }
 }