Add Wallpaper option to launcher context menu

ash/shell.h

Index: ash/shell.h
diff --git a/ash/shell.h b/ash/shell.h
index ef869bf447ce7138e5f0c7e43a6d7d99518f4a23..8794c23c96686e9003e81dbc3bf80fea1aaf9023 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -96,7 +96,6 @@ class RootWindowLayoutManager;
 class ScreenPositionController;
 class ShadowController;
 class ShelfLayoutManager;
-class ShellContextMenu;
 class SlowAnimationEventFilter;
 class StackingController;
 class StatusAreaWidget;
@@ -189,8 +188,8 @@ class ASH_EXPORT Shell : CursorDelegate,
   void AddEnvEventFilter(aura::EventFilter* filter);
   void RemoveEnvEventFilter(aura::EventFilter* filter);
 
-  // Shows the background menu over |widget|.
-  void ShowBackgroundMenu(views::Widget* widget, const gfx::Point& location);
+  // Shows the context menu for the background and launcher at |location|.

[sky, 2012/10/10 04:07:17]

Document what location is relative to.

+  void ShowContextMenu(const gfx::Point& location);
 
   // Toggles app list.
   void ToggleAppList();
@@ -433,7 +432,6 @@ class ASH_EXPORT Shell : CursorDelegate,
 
   scoped_ptr<internal::AppListController> app_list_controller_;
 
-  scoped_ptr<internal::ShellContextMenu> shell_context_menu_;
   scoped_ptr<internal::StackingController> stacking_controller_;
   scoped_ptr<internal::ActivationController> activation_controller_;
   scoped_ptr<internal::CaptureController> capture_controller_;