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

chrome/browser/dom_ui/bug_report_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/bug_report_ui.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 493 matching lines @@
   }
 }
 
 void BugReportHandler::ClobberScreenshotsSource() {
   // Re-create our screenshots data source (this clobbers the last source)
   // setting the screenshot to NULL, effectively disabling the source
   // TODO(rkc): Once there is a method to 'remove' a source, change this code
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       NewRunnableMethod(
-          Singleton<ChromeURLDataManager>::get(),
+          ChromeURLDataManager::GetInstance(),
           &ChromeURLDataManager::AddDataSource,
           make_scoped_refptr(new DOMUIScreenshotSource(NULL))));
 
   // clobber last screenshot
   if (browser::last_screenshot_png)
     browser::last_screenshot_png->clear();
 }
 
 void BugReportHandler::SetupScreenshotsSource() {
   // If we don't already have a screenshot source object created, create one.
   if (!screenshot_source_)
     screenshot_source_ = new DOMUIScreenshotSource(
         browser::last_screenshot_png);
 
   // Add the source to the data manager.
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       NewRunnableMethod(
-          Singleton<ChromeURLDataManager>::get(),
+          ChromeURLDataManager::GetInstance(),
           &ChromeURLDataManager::AddDataSource,
           make_scoped_refptr(screenshot_source_)));
 }
 
 DOMMessageHandler* BugReportHandler::Attach(DOMUI* dom_ui) {
   SetupScreenshotsSource();
   return DOMMessageHandler::Attach(dom_ui);
 }
 
 base::StringPiece BugReportHandler::Init() {
@@ skipping 252 matching lines @@
   AddMessageHandler((handler)->Attach(this));
 
   // The handler's init will specify which html
   // resource we'll display to the user
   BugReportUIHTMLSource* html_source =
       new BugReportUIHTMLSource(handler->Init());
   // Set up the chrome://bugreport/ source.
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       NewRunnableMethod(
-          Singleton<ChromeURLDataManager>::get(),
+          ChromeURLDataManager::GetInstance(),
           &ChromeURLDataManager::AddDataSource,
           make_scoped_refptr(html_source)));
 }