Add a new GetInstance() method for remaining files with singleton classes under chrome/browser.

chrome/browser/chromeos/dom_ui/imageburner_ui.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_CHROMEOS_DOM_UI_IMAGEBURNER_UI_H_
 #define CHROME_BROWSER_CHROMEOS_DOM_UI_IMAGEBURNER_UI_H_
 
 #include <string>
 #include <vector>
 
 #include "app/download_file_interface.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/scoped_ptr.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/burn_library.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/mount_library.h"
 #include "chrome/browser/dom_ui/chrome_url_data_manager.h"
 #include "chrome/browser/dom_ui/dom_ui.h"
 #include "chrome/browser/download/download_item.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/file_stream.h"
 
+template <typename T> struct DefaultSingletonTraits;
+
 static const std::string kPropertyPath = "path";
 static const std::string kPropertyTitle = "title";
 static const std::string kPropertyDirectory = "isDirectory";
 static const std::string kImageBaseURL =
     "http://chrome-master.mtv.corp.google.com/chromeos/dev-channel/";
 static const std::string kImageFetcherName = "LATEST-x86-generic";
 static const std::string kImageFileName = "chromeos_image.bin.gz";
 static const std::string kTempImageFolderName = "chromeos_image";
 
 class ImageBurnResourceManager;
@@ skipping 112 matching lines @@
   ImageBurnResourceManager* resource_manager_;
 
   friend class base::RefCountedThreadSafe<ImageBurnTaskProxy>;
 
   DISALLOW_COPY_AND_ASSIGN(ImageBurnTaskProxy);
 };
 
 class ImageBurnResourceManager : public DownloadManager::Observer,
                                  public DownloadItem::Observer {
  public:
-  ImageBurnResourceManager();
-  ~ImageBurnResourceManager();
+  // Returns the singleton instance.
+  static ImageBurnResourceManager* GetInstance();
 
   // DownloadItem::Observer interface
   virtual void OnDownloadUpdated(DownloadItem* download);
   virtual void OnDownloadFileCompleted(DownloadItem* download);
   virtual void OnDownloadOpened(DownloadItem* download);
 
   // DownloadManager::Observer interface
   virtual void ModelChanged();
 
   FilePath GetLocalImageDirPath();
@@ skipping 10 matching lines @@
 
   void ReportDownloadFinished(bool success);
 
   void CreateImageUrl(TabContents* tab_content, ImageBurnHandler* downloader);
 
   void ImageUrlFetched(bool success);
 
   net::FileStream* CreateFileStream(FilePath* file_path);
 
  private:
+  friend struct DefaultSingletonTraits<ImageBurnResourceManager>;
+
+  ImageBurnResourceManager();
+  ~ImageBurnResourceManager();
+
   FilePath local_image_dir_file_path_;
   FilePath image_fecher_local_path_;
   bool image_download_started_;
   bool image_download_finished_;
   bool burn_in_progress_;
   DownloadManager* download_manager_;
   bool download_item_observer_added_;
   DownloadItem*  active_download_item_;
   scoped_ptr<GURL> image_url_;
   GURL image_fetcher_url_;
   bool image_url_fetching_requested_;
   bool image_url_fetched_;
   std::vector<ImageBurnHandler*> downloaders_;
 
 
   DISALLOW_COPY_AND_ASSIGN(ImageBurnResourceManager);
 };
 
 class ImageBurnUI : public DOMUI {
  public:
   explicit ImageBurnUI(TabContents* contents);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageBurnUI);
 };
 #endif  // CHROME_BROWSER_CHROMEOS_DOM_UI_IMAGEBURNER_UI_H_