Rename all methods accessing Singleton<T> as GetInstance().

chrome/browser/background_page_tracker.h

 // 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.
 
 #ifndef CHROME_BROWSER_BACKGROUND_PAGE_TRACKER_H_
 #define CHROME_BROWSER_BACKGROUND_PAGE_TRACKER_H_
 #pragma once
 
 #include <map>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/singleton.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
 class PrefService;
 
 ///////////////////////////////////////////////////////////////////////////////
 // BackgroundPageTracker
 //
 // This class is a singleton class that monitors when new background pages are
 // loaded, and sends out a notification.
 //
 class BackgroundPageTracker : public NotificationObserver {
  public:
   static void RegisterPrefs(PrefService* prefs);
 
   // Convenience routine which gets the singleton object.
-  static BackgroundPageTracker* GetSingleton();
+  static BackgroundPageTracker* GetInstance();
 
   // Returns the number of background apps/extensions currently loaded.
   int GetBackgroundPageCount();
 
   // Returns the number of unacknowledged background pages (for use in badges,
   // etc).
   int GetUnacknowledgedBackgroundPageCount();
 
   // Called when the user has acknowledged that new background apps have been
   // loaded. Future calls to GetUnacknowledgedBackgroundPageCount() will return
@@ skipping 45 matching lines @@
 
   // Sends out a notification that the list of background pages has changed.
   void SendChangeNotification();
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(BackgroundPageTracker);
 };
 
 #endif  // CHROME_BROWSER_BACKGROUND_PAGE_TRACKER_H_