Revert 263741 "Enable surprise me wallpaper for new profiles."

chrome/browser/chromeos/login/wallpaper_manager.h

 // Copyright (c) 2013 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_LOGIN_WALLPAPER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 315 matching lines @@
 
   // Called when the wallpaper policy has been cleared for |user_id|.
   void OnPolicyCleared(const std::string& policy, const std::string& user_id);
 
   // Called when the policy-set wallpaper has been fetched.  Initiates decoding
   // of the JPEG |data| with a callback to SetPolicyControlledWallpaper().
   void OnPolicyFetched(const std::string& policy,
                        const std::string& user_id,
                        scoped_ptr<std::string> data);
 
-  // Enable surprise me wallpaper mode.
-  void EnableSurpriseMe();
-
   // This is called from CustomizationDocument.
   // |resized_directory| is the directory where resized versions are stored and
   // must be writable.
   void SetCustomizedDefaultWallpaper(const GURL& wallpaper_url,
                                      const base::FilePath& downloaded_file,
                                      const base::FilePath& resized_directory);
 
  private:
   friend class TestApi;
   friend class WallpaperManagerBrowserTest;
@@ skipping 254 matching lines @@
 
   // Current decoded default image is stored in cache.
   scoped_ptr<UserImage> default_wallpaper_image_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_