aura: Gesture event plumbing (skeleton).

ash/tooltips/tooltip_controller.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ASH_TOOLTIPS_TOOLTIP_CONTROLLER_H_
 #define ASH_TOOLTIPS_TOOLTIP_CONTROLLER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/string16.h"
@@ skipping 30 matching lines @@
   // Overridden from aura::client::TooltipClient.
   virtual void UpdateTooltip(aura::Window* target) OVERRIDE;
 
   // Overridden from aura::EventFilter.
   virtual bool PreHandleKeyEvent(aura::Window* target,
                                  aura::KeyEvent* event) OVERRIDE;
   virtual bool PreHandleMouseEvent(aura::Window* target,
                                    aura::MouseEvent* event) OVERRIDE;
   virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target,
                                               aura::TouchEvent* event) OVERRIDE;
+  virtual ui::GestureStatus PreHandleGestureEvent(aura::Window* target,
+      aura::GestureEvent* event) OVERRIDE;
 
   // Overridden from aura::WindowObserver.
   virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
 
  private:
   friend class ash::test::TooltipControllerTest;
 
   class Tooltip;
 
   void TooltipTimerFired();
@@ skipping 10 matching lines @@
 
   gfx::Point curr_mouse_loc_;
 
   DISALLOW_COPY_AND_ASSIGN(TooltipController);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_TOOLTIPS_TOOLTIP_CONTROLLER_H_