Add a new GetInstance() method for singleton classes used in chrome/browser files.

chrome/browser/dom_ui/bookmarks_ui.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 "chrome/browser/dom_ui/bookmarks_ui.h"
 
 #include "app/resource_bundle.h"
 #include "base/message_loop.h"
 #include "base/ref_counted_memory.h"
 #include "base/singleton.h"
@@ skipping 33 matching lines @@
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 BookmarksUI::BookmarksUI(TabContents* contents) : DOMUI(contents) {
   BookmarksUIHTMLSource* html_source = new BookmarksUIHTMLSource();
 
   // Set up the chrome://bookmarks/ source.
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       NewRunnableMethod(
-          Singleton<ChromeURLDataManager>::get(),
+          ChromeURLDataManager::GetInstance(),
           &ChromeURLDataManager::AddDataSource,
           make_scoped_refptr(html_source)));
 }
 
 // static
 RefCountedMemory* BookmarksUI::GetFaviconResourceBytes() {
   return ResourceBundle::GetSharedInstance().
       LoadDataResourceBytes(IDR_BOOKMARKS_FAVICON);
 }