Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ash/launcher/launcher_view.h

Index: ash/launcher/launcher_view.h
diff --git a/ash/launcher/launcher_view.h b/ash/launcher/launcher_view.h
index 0bee1c960879c7a974d8b1cadd09029c30a167d7..76f05b821cef69620d5a1fb0a73b2aecbc3f17ab 100644
--- a/ash/launcher/launcher_view.h
+++ b/ash/launcher/launcher_view.h
@@ -247,7 +247,8 @@ class ASH_EXPORT LauncherView : public views::View,
 
   // Overridden from views::ContextMenuController:
   virtual void ShowContextMenuForView(views::View* source,
-                                      const gfx::Point& point) OVERRIDE;
+                                      const gfx::Point& point,
+                                      ui::MenuSourceType source_type) OVERRIDE;
 
   // Show either a context or normal click menu of given |menu_model_adapter|.
   // If |context_menu| is set, the displayed menu is a context menu and not
@@ -256,7 +257,8 @@ class ASH_EXPORT LauncherView : public views::View,
   void ShowMenu(scoped_ptr<views::MenuModelAdapter> menu_model_adapter,
                 views::View* source,
                 const gfx::Point& click_point,
-                bool context_menu);
+                bool context_menu,
+                ui::MenuSourceType source_type);
 
   // Overridden from views::BoundsAnimatorObserver:
   virtual void OnBoundsAnimatorProgressed(