Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 193 matching lines @@
   // True if an experimental maximize mode is enabled which forces browser and
   // application windows to be maximized only.
   static bool IsForcedMaximizeMode();
 
   void set_active_root_window(aura::RootWindow* active_root_window) {
     active_root_window_ = active_root_window;
   }
 
   // Shows the context menu for the background and launcher at
   // |location_in_screen| (in screen coordinates).
-  void ShowContextMenu(const gfx::Point& location_in_screen);
+  void ShowContextMenu(const gfx::Point& location_in_screen,
+                       ui::ContextMenuSourceType source_type);
 
   // Toggles the app list. |window| specifies in which display the app
   // list should be shown. If this is NULL, the active root window
   // will be used.
   void ToggleAppList(aura::Window* anchor);
 
   // If |drag_and_drop_host| is not NULL it will be called upon drag and drop
   // operations outside the application list.
   void SetDragAndDropHostOfCurrentAppList(
       app_list::ApplicationDragAndDropHost* drag_and_drop_host);
@@ skipping 376 matching lines @@
 
   // For testing only: simulate that a modal window is open
   bool simulate_modal_window_open_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_