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

ash/common/shell_delegate.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 ASH_COMMON_SHELL_DELEGATE_H_
 #define ASH_COMMON_SHELL_DELEGATE_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 28 matching lines @@
 
 class AccessibilityDelegate;
 class GPUSupport;
 class MediaDelegate;
 class NewWindowDelegate;
 class PaletteDelegate;
 class SessionStateDelegate;
 class ShelfDelegate;
 class ShelfModel;
 class SystemTrayDelegate;
-class UserWallpaperDelegate;
 struct ShelfItem;
+class WallpaperDelegate;
 class WmShelf;
 class WmWindow;
 
 // Delegate of the Shell.
 class ASH_EXPORT ShellDelegate {
  public:
   // The Shell owns the delegate.
   virtual ~ShellDelegate() {}
 
   // Returns true if this is the first time that the shell has been run after
@@ skipping 40 matching lines @@
   // Get the AppListPresenter. Ownership stays with Chrome.
   virtual app_list::AppListPresenter* GetAppListPresenter() = 0;
 
   // Creates a new ShelfDelegate. Shell takes ownership of the returned
   // value.
   virtual ShelfDelegate* CreateShelfDelegate(ShelfModel* model) = 0;
 
   // Creates a system-tray delegate. Shell takes ownership of the delegate.
   virtual SystemTrayDelegate* CreateSystemTrayDelegate() = 0;
 
-  // Creates a user wallpaper delegate. Shell takes ownership of the delegate.
-  virtual UserWallpaperDelegate* CreateUserWallpaperDelegate() = 0;
+  // Creates a wallpaper delegate. Shell takes ownership of the delegate.
+  virtual WallpaperDelegate* CreateWallpaperDelegate() = 0;

[James Cook, 2016/08/25 16:59:57]

Return std::unique_ptr<> instead?

[msw, 2016/08/25 18:27:06]

Done.

 
   // Creates a session state delegate. Shell takes ownership of the delegate.
   virtual SessionStateDelegate* CreateSessionStateDelegate() = 0;
 
   // Creates a accessibility delegate. Shell takes ownership of the delegate.
   virtual AccessibilityDelegate* CreateAccessibilityDelegate() = 0;
 
   // Creates an application delegate. Shell takes ownership of the delegate.
   virtual NewWindowDelegate* CreateNewWindowDelegate() = 0;
 
@@ skipping 18 matching lines @@
   virtual gfx::Image GetDeprecatedAcceleratorImage() const = 0;
 
   // Toggles the status of the touchpad / touchscreen on or off.
   virtual void ToggleTouchpad() {}
   virtual void ToggleTouchscreen() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_SHELL_DELEGATE_H_