Remove "2" suffixes from options2 code.

chrome/browser/ui/webui/options2/chromeos/wallpaper_source2.h

-// Copyright (c) 2012 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_UI_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE2_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE2_H_
-#pragma once
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/ref_counted_memory.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/ui/webui/chrome_url_data_manager.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace chromeos {
-namespace options2 {
-
-// A DataSource for chrome://wallpaper/ URL, provides current user's wallpaper.
-class WallpaperImageSource : public ChromeURLDataManager::DataSource {
- public:
-  WallpaperImageSource();
-
-  // ChromeURLDataManager::DataSource implementation.
-  virtual void StartDataRequest(const std::string& path,
-                                bool is_incognito,
-                                int request_id) OVERRIDE;
-  virtual std::string GetMimeType(const std::string&) const OVERRIDE;
-
- private:
-  class WallpaperEncodingOperation;
-
-  virtual ~WallpaperImageSource();
-
-  // Get wallpaper for request identified by |request_id| in UI thread
-  // and pass it to encoding phase.
-  void GetCurrentUserWallpaper(int request_id);
-
-  // Callback is called when image is obtained from UI thread to
-  // encode and send reply to request identified by |request_id|.
-  void ImageAcquired(SkBitmap image, int request_id);
-
-  // Cancel current image encoding operation.
-  void CancelPendingEncodingOperation();
-
-    // Send image stored in |data| as a reply to request
-  // identifed by |request_id|.
-  void SendCurrentUserWallpaper(int request_id,
-                                scoped_refptr<base::RefCountedBytes> data);
-
-  scoped_refptr<WallpaperEncodingOperation> wallpaper_encoding_op_;
-
-  base::WeakPtrFactory<WallpaperImageSource> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(WallpaperImageSource);
-};
-
-}  // namespace options2
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_WALLPAPER_SOURCE2_H_