Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ui/views/context_menu_controller.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 UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_
 #define UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_
 
+#include "ui/base/ui_base_types.h"
 #include "ui/views/views_export.h"
 
 namespace gfx {
 class Point;
 }
 
 namespace views {
 class View;
 
 // ContextMenuController is responsible for showing the context menu for a
 // View. To use a ContextMenuController invoke set_context_menu_controller on a
 // View. When the appropriate user gesture occurs ShowContextMenu is invoked
 // on the ContextMenuController.
 //
 // Setting a ContextMenuController on a view makes the view process mouse
 // events.
 //
 // It is up to subclasses that do their own mouse processing to invoke
 // the appropriate ContextMenuController method, typically by invoking super's
 // implementation for mouse processing.
 class VIEWS_EXPORT ContextMenuController {
  public:
   // Invoked to show the context menu for |source|.
   // |point| is in screen coordinates.
-  virtual void ShowContextMenuForView(View* source,
-                                      const gfx::Point& point) = 0;
+  virtual void ShowContextMenuForView(
+      View* source,
+      const gfx::Point& point,
+      ui::ContextMenuSourceType source_type) = 0;
 
  protected:
   virtual ~ContextMenuController() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTEXT_MENU_CONTROLLER_H_