Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ash/system/web_notification/web_notification_tray.cc

Index: ash/system/web_notification/web_notification_tray.cc
diff --git a/ash/system/web_notification/web_notification_tray.cc b/ash/system/web_notification/web_notification_tray.cc
index c428bead4606cbca34d4e27239eb13e45a09e276..a18781cc4a83a41cb3e02de56d19cea52bf20f22 100644
--- a/ash/system/web_notification/web_notification_tray.cc
+++ b/ash/system/web_notification/web_notification_tray.cc
@@ -314,6 +314,7 @@ void WebNotificationTray::ShowQuietModeMenu() {
       NULL,
       gfx::Rect(point, bounds().size()),
       views::MenuItemView::BUBBLE_ABOVE,
+      ui::MENU_SOURCE_NONE,

[sky, 2013/06/17 16:08:19]

Why the none here? Looks like the caller has an event.

[varunjain, 2013/06/17 20:13:55]

Done.

       views::MenuRunner::HAS_MNEMONICS) == views::MenuRunner::MENU_DELETED)
     return;