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

chrome/browser/background_mode_manager.cc

 // Copyright (c) 2010 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 <string>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
@@ skipping 314 matching lines @@
       GetBrowserWindow()->OpenAboutChromeDialog();
       break;
     case IDC_EXIT:
       UserMetrics::RecordAction(UserMetricsAction("Exit"), profile_);
       BrowserList::CloseAllBrowsersAndExit();
       break;
     case IDC_OPTIONS:
       GetBrowserWindow()->OpenOptionsDialog();
       break;
     case IDC_TASK_MANAGER:
-      GetBrowserWindow()->OpenTaskManager();
+      GetBrowserWindow()->OpenTaskManager(true);
       break;
     default:
       ExecuteApplication(item);
       break;
   }
 }
 
 Browser* BackgroundModeManager::GetBrowserWindow() {
   Browser* browser = BrowserList::GetLastActive();
   if (!browser) {
@@ skipping 12 matching lines @@
   // is always running on that platform, making it superfluous.
 #if defined(OS_CHROMEOS)
   return false;
 #else
   bool background_mode_enabled =
       !command_line->HasSwitch(switches::kDisableBackgroundMode) &&
       !command_line->HasSwitch(switches::kDisableExtensions);
   return background_mode_enabled;
 #endif
 }