Touch gestures for System Tray/ IME/ Stylus/ Notifications

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 6800c8775863171c70d99c89fd0aa0ec002c8a8c..798badb72793646d7d2996cd11b8a1f469f0abe7 100644
--- a/ash/system/web_notification/web_notification_tray.cc
+++ b/ash/system/web_notification/web_notification_tray.cc
@@ -400,11 +400,6 @@ bool WebNotificationTray::IsMessageCenterBubbleVisible() const {
           message_center_bubble()->bubble()->IsVisible());
 }
 
-void WebNotificationTray::ShowMessageCenterBubble() {
-  if (!IsMessageCenterBubbleVisible())
-    message_center_tray_->ShowMessageCenterBubble();
-}
-
 void WebNotificationTray::UpdateAfterLoginStatusChange(
     LoginStatus login_status) {
   message_center()->SetLockedState(login_status == LoginStatus::LOCKED);
@@ -439,14 +434,6 @@ void WebNotificationTray::HideBubbleWithView(
   }
 }
 
-bool WebNotificationTray::PerformAction(const ui::Event& event) {
-  if (message_center_bubble())
-    message_center_tray_->HideMessageCenterBubble();
-  else
-    message_center_tray_->ShowMessageCenterBubble();
-  return true;
-}
-
 void WebNotificationTray::BubbleViewDestroyed() {
   if (message_center_bubble())
     message_center_bubble()->bubble()->BubbleViewDestroyed();
@@ -480,6 +467,11 @@ void WebNotificationTray::HideBubble(const views::TrayBubbleView* bubble_view) {
   HideBubbleWithView(bubble_view);
 }
 
+bool WebNotificationTray::ProcessGestureEventForBubble(
+    ui::GestureEvent* event) {
+  return drag_controller()->ProcessGestureEvent(event, this);
+}
+
 bool WebNotificationTray::ShowNotifierSettings() {
   if (message_center_bubble()) {
     static_cast<message_center::MessageCenterBubble*>(
@@ -603,6 +595,33 @@ void WebNotificationTray::ClickedOutsideBubble() {
   message_center_tray_->HideMessageCenterBubble();
 }
 
+bool WebNotificationTray::PerformAction(const ui::Event& event) {
+  if (message_center_bubble())
+    message_center_tray_->HideMessageCenterBubble();
+  else
+    message_center_tray_->ShowMessageCenterBubble();
+  return true;
+}
+
+void WebNotificationTray::CloseBubble() {
+  message_center_tray_->HideMessageCenterBubble();
+}
+
+void WebNotificationTray::ShowBubble() {
+  if (!IsMessageCenterBubbleVisible())
+    message_center_tray_->ShowMessageCenterBubble();
+}
+
+views::TrayBubbleView* WebNotificationTray::GetBubbleView() {
+  return message_center_bubble_ ? message_center_bubble_->bubble_view()
+                                : nullptr;
+}
+
+void WebNotificationTray::OnGestureEvent(ui::GestureEvent* event) {
+  if (!drag_controller()->ProcessGestureEvent(event, this))
+    TrayBackgroundView::OnGestureEvent(event);
+}
+
 message_center::MessageCenter* WebNotificationTray::message_center() const {
   return message_center_tray_->message_center();
 }