mash: Port mojo:ash_sysui's ContextMenuMus to mojo:ash.

ash/common/wallpaper/wallpaper_delegate.h

 // Copyright 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 ASH_DESKTOP_BACKGROUND_USER_WALLPAPER_DELEGATE_H_
-#define ASH_DESKTOP_BACKGROUND_USER_WALLPAPER_DELEGATE_H_
+#ifndef ASH_COMMON_WALLPAPER_WALLPAPER_DELEGATE_H_
+#define ASH_COMMON_WALLPAPER_WALLPAPER_DELEGATE_H_
 
 #include "ash/ash_export.h"
 
 namespace ash {
 
-class ASH_EXPORT UserWallpaperDelegate {
+class ASH_EXPORT WallpaperDelegate {
  public:
-  virtual ~UserWallpaperDelegate() {}
+  virtual ~WallpaperDelegate() {}
 
   // Returns the type of window animation that should be used when showing the
   // wallpaper.
   virtual int GetAnimationType() = 0;
 
   // Returns the wallpaper animation duration in ms. A value of 0 indicates
   // that the default should be used.
   virtual int GetAnimationDurationOverride() = 0;
 
   // Sets wallpaper animation duration in ms. Pass 0 to use the default.
@@ skipping 24 matching lines @@
 
   // Notifies delegate that wallpaper animation has finished.
   virtual void OnWallpaperAnimationFinished() = 0;
 
   // Notifies delegate that wallpaper boot animation has finished.
   virtual void OnWallpaperBootAnimationFinished() = 0;
 };
 
 }  // namespace ash
 
-#endif  // ASH_DESKTOP_BACKGROUND_USER_WALLPAPER_DELEGATE_H_
+#endif  // ASH_COMMON_WALLPAPER_WALLPAPER_DELEGATE_H_