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

chrome/browser/app_controller_mac.mm

 // 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.
 
 #import "chrome/browser/app_controller_mac.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/mac/mac_util.h"
@@ skipping 924 matching lines @@
       }
       // TODO(akalin): Add a constant to denote starting sync from the
       // main menu and use that instead of START_FROM_WRENCH.
       sync_ui_util::OpenSyncMyBookmarksDialog(
           defaultProfile, ActivateBrowser(defaultProfile),
           ProfileSyncService::START_FROM_WRENCH);
       break;
     case IDC_TASK_MANAGER:
       UserMetrics::RecordAction(UserMetricsAction("TaskManager"),
                                 defaultProfile);
-      TaskManagerMac::Show();
+      TaskManagerMac::Show(false);
       break;
     case IDC_OPTIONS:
       [self showPreferences:sender];
       break;
     default:
       // Background Applications use dynamic values that must be less than the
       // smallest value among the predefined IDC_* labels.
       if ([sender tag] < IDC_MinimumLabelValue)
         [self executeApplication:sender];
       break;
@@ skipping 333 matching lines @@
   [appController showPreferencesWindow:nil page:page profile:profile];
 }
 
 namespace app_controller_mac {
 
 bool IsOpeningNewWindow() {
   return g_is_opening_new_window;
 }
 
 }  // namespace app_controller_mac