New custom wallpaper picker UI

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 <string>
 
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 110 matching lines @@
 
   // NotificationObserver overrides:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Removes all |email| related wallpaper info and saved wallpapers.
   void RemoveUserWallpaperInfo(const std::string& email);
 
   // Resizes |wallpaper| to a resolution which is nearest to |preferred_width|
+  // and |preferred_height| while maintaining aspect ratio.
+  std::string ResizeWallpaper(const UserImage& wallpaper,
+                              ash::WallpaperLayout layout,
+                              int preferred_width,
+                              int preferred_height);
+
+  // Resizes |wallpaper| to a resolution which is nearest to |preferred_width|
   // and |preferred_height| while maintaining aspect ratio. And saves the
   // resized wallpaper to |path|.
   void ResizeAndSaveWallpaper(const UserImage& wallpaper,
                               const base::FilePath& path,
                               ash::WallpaperLayout layout,
                               int preferred_width,
                               int preferred_height);
 
   // Starts a one shot timer which calls BatchUpdateWallpaper at next midnight.
   // Cancel any previous timer if any.
@@ skipping 57 matching lines @@
   // cache wallpapers on wallpaper animation finished. The cache operation
   // should be only executed once.
   void CacheUsersWallpapers();
 
   // Caches |email|'s wallpaper to memory.
   void CacheUserWallpaper(const std::string& email);
 
   // Clears all obsolete wallpaper prefs from old version wallpaper pickers.
   void ClearObsoleteWallpaperPrefs();
 
+  // Deletes everything else except |path| in the same directory.
+  void DeleteAllExcept(const base::FilePath& path);
+
   // Deletes a list of wallpaper files in |file_list|.
   void DeleteWallpaperInList(const std::vector<base::FilePath>& file_list);
 
   // Deletes all |email| related custom or converted wallpapers.
   void DeleteUserWallpapers(const std::string& email);
 
   // Creates all new custom wallpaper directories for |email| if not exist.
   void EnsureCustomWallpaperDirectories(const std::string& email);
 
   // Loads custom wallpaper from old places and triggers move all custom
@@ skipping 125 matching lines @@
   content::NotificationRegistrar registrar_;
 
   base::OneShotTimer<WallpaperManager> timer_;
 
   DISALLOW_COPY_AND_ASSIGN(WallpaperManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WALLPAPER_MANAGER_H_