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 a431d128a1f99660e2dce7ead3495f1e0cf71abb..500e90998590b5da5953c23550a67820bb6f367f 100644
--- a/ash/launcher/launcher_view.h
+++ b/ash/launcher/launcher_view.h
@@ -246,8 +246,10 @@ class ASH_EXPORT LauncherView : public views::View,
                            int event_flags);
 
   // Overridden from views::ContextMenuController:
-  virtual void ShowContextMenuForView(views::View* source,
-                                      const gfx::Point& point) OVERRIDE;
+  virtual void ShowContextMenuForView(
+      views::View* source,
+      const gfx::Point& point,
+      ui::ContextMenuSourceType 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 +258,8 @@ 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::ContextMenuSourceType source_type);
 
   // Overridden from views::BoundsAnimatorObserver:
   virtual void OnBoundsAnimatorProgressed(