Touch gestures for System Tray/ IME/ Stylus/ Notifications

ash/system/web_notification/web_notification_tray.h

Index: ash/system/web_notification/web_notification_tray.h
diff --git a/ash/system/web_notification/web_notification_tray.h b/ash/system/web_notification/web_notification_tray.h
index 6545949022fbc1b017b7442ed2a7715b652f3aeb..a328c79b3090fef307bc80f535f56d6b9407c3cb 100644
--- a/ash/system/web_notification/web_notification_tray.h
+++ b/ash/system/web_notification/web_notification_tray.h
@@ -45,7 +45,6 @@ class WebNotificationLabel;
 // is controlled by StatusAreaWidget.
 class ASH_EXPORT WebNotificationTray
     : public TrayBackgroundView,
-      public views::TrayBubbleView::Delegate,
       public message_center::MessageCenterTrayDelegate,
       public base::SupportsWeakPtr<WebNotificationTray>,
       public ui::SimpleMenuModel::Delegate {
@@ -83,9 +82,10 @@ class ASH_EXPORT WebNotificationTray
   base::string16 GetAccessibleNameForTray() override;
   void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
   void ClickedOutsideBubble() override;
-
-  // Overridden from ActionableView.
   bool PerformAction(const ui::Event& event) override;
+  void CloseBubble() override;
+  void ShowBubble() override;
+  views::TrayBubbleView* GetBubbleView() override;
 
   // Overridden from views::TrayBubbleView::Delegate.
   void BubbleViewDestroyed() override;