Touch gestures for System Tray/ IME/ Stylus/ Notifications

ash/system/ime_menu/ime_menu_tray.h

Index: ash/system/ime_menu/ime_menu_tray.h
diff --git a/ash/system/ime_menu/ime_menu_tray.h b/ash/system/ime_menu/ime_menu_tray.h
index ac4f37619a048d995311eeaba51a0e2b76856a77..8f8a2833dd1f88c64c4a14aff1409eb609bf3141 100644
--- a/ash/system/ime_menu/ime_menu_tray.h
+++ b/ash/system/ime_menu/ime_menu_tray.h
@@ -36,15 +36,6 @@ class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
   explicit ImeMenuTray(Shelf* shelf);
   ~ImeMenuTray() override;
 
-  // Shows the IME menu bubble and highlights the button.
-  void ShowImeMenuBubble();
-
-  // Hides the IME menu bubble and lowlights the button.
-  void HideImeMenuBubble();
-
-  // Returns true if the IME menu bubble has been shown.
-  bool IsImeMenuBubbleShown();
-
   // Shows the virtual keyboard with the given keyset: emoji, handwriting or
   // voice.
   void ShowKeyboardWithKeyset(const std::string& keyset);
@@ -63,6 +54,10 @@ class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
   void HideBubbleWithView(const views::TrayBubbleView* bubble_view) override;
   void ClickedOutsideBubble() override;
   bool PerformAction(const ui::Event& event) override;
+  void CloseBubble() override;
+  void ShowBubble() override;
+  views::TrayBubbleView* GetBubbleView() override;
+  void OnGestureEvent(ui::GestureEvent* event) override;
 
   // IMEObserver:
   void OnIMERefresh() override;
@@ -79,6 +74,7 @@ class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
   base::string16 GetAccessibleNameForBubble() override;
   bool ShouldEnableExtraKeyboardAccessibility() override;
   void HideBubble(const views::TrayBubbleView* bubble_view) override;
+  bool ProcessGestureEventForBubble(ui::GestureEvent* event) override;
 
   // keyboard::KeyboardControllerObserver:
   void OnKeyboardBoundsChanging(const gfx::Rect& new_bounds) override;