Remove the old wallpaper picker code

chrome/browser/ui/webui/options/chromeos/set_wallpaper_options_handler.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_OPTIONS_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER_H_
-#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER_H_
-
-#include "ash/desktop_background/desktop_background_resources.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/ui/webui/options/options_ui.h"
-#include "ui/base/dialogs/select_file_dialog.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace base {
-class DictionaryValue;
-class ListValue;
-}
-
-namespace chromeos {
-
-class WallpaperDelegate {
- public:
-  // Call javascript function to add/update custom wallpaper thumbnail in
-  // picker UI.
-  virtual void SetCustomWallpaperThumbnail() = 0;
-
- protected:
-  virtual ~WallpaperDelegate() {}
-};
-
-namespace options {
-
-// ChromeOS user image options page UI handler.
-class SetWallpaperOptionsHandler : public ::options::OptionsPageUIHandler,
-                                   public ui::SelectFileDialog::Listener,
-                                   public WallpaperDelegate {
- public:
-  SetWallpaperOptionsHandler();
-  virtual ~SetWallpaperOptionsHandler();
-
-  // OptionsPageUIHandler implementation.
-  virtual void GetLocalizedValues(
-      base::DictionaryValue* localized_strings) OVERRIDE;
-
-  // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() OVERRIDE;
-
-  // WallpaperDelegate implementation.
-  virtual void SetCustomWallpaperThumbnail() OVERRIDE;
-
- private:
-  // SelectFileDialog::Delegate implementation.
-  virtual void FileSelected(const FilePath& path, int index,
-                            void* params) OVERRIDE;
-
-  // Sends list of available default images to the page.
-  void SendDefaultImages();
-
-  // Sends layout options for custom wallpaper. Only exposes CENTER,
-  // CENTER_CROPPED, STRETCH to users. Set the selected option to specified
-  // |layout|.
-  void SendLayoutOptions(ash::WallpaperLayout layout);
-
-  // Handles page initialized event.
-  void HandlePageInitialized(const base::ListValue* args);
-
-  // Handles page shown event.
-  void HandlePageShown(const base::ListValue* args);
-
-  // Opens a file selection dialog to choose user image from file.
-  void HandleChooseFile(const base::ListValue* args);
-
-  // Redraws the wallpaper with specified wallpaper layout.
-  void HandleLayoutChanged(const base::ListValue* args);
-
-  // Selects one of the available default wallpapers.
-  void HandleDefaultWallpaper(const base::ListValue* args);
-
-  // Sets user wallpaper to the next one in the list of default wallpapers.
-  void HandleDailyWallpaper(const base::ListValue* args);
-
-  // Returns handle to browser window or NULL if it can't be found.
-  gfx::NativeWindow GetBrowserWindow() const;
-
-  // Shows a dialog box for selecting a file.
-  scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
-
-  base::WeakPtrFactory<SetWallpaperOptionsHandler> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SetWallpaperOptionsHandler);
-};
-
-}  // namespace options
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_SET_WALLPAPER_OPTIONS_HANDLER_H_