Remove GestureEvent interface, and rename GestureEventImpl to GestureEvent.

ash/launcher/launcher_tooltip_manager.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_LAUNCHER_LAUNCHER_TOOLTIP_MANAGER_H_
 #define ASH_LAUNCHER_LAUNCHER_TOOLTIP_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "ash/wm/shelf_layout_manager.h"
 #include "ash/wm/shelf_types.h"
@@ skipping 62 matching lines @@
   // aura::EventFilter overrides:
   virtual bool PreHandleKeyEvent(aura::Window* target,
                                  ui::KeyEvent* event) OVERRIDE;
   virtual bool PreHandleMouseEvent(aura::Window* target,
                                    ui::MouseEvent* event) OVERRIDE;
   virtual ui::TouchStatus PreHandleTouchEvent(
       aura::Window* target,
       ui::TouchEvent* event) OVERRIDE;
   virtual ui::GestureStatus PreHandleGestureEvent(
       aura::Window* target,
-      ui::GestureEventImpl* event) OVERRIDE;
+      ui::GestureEvent* event) OVERRIDE;
 
   // ShelfLayoutManager::Observer overrides:
   virtual void WillDeleteShelf() OVERRIDE;
   virtual void WillChangeVisibilityState(
       ShelfLayoutManager::VisibilityState new_state) OVERRIDE;
   virtual void OnAutoHideStateChanged(
       ShelfLayoutManager::AutoHideState new_state) OVERRIDE;
 
  private:
   class LauncherTooltipBubble;
@@ skipping 15 matching lines @@
   ShelfLayoutManager* shelf_layout_manager_;
   LauncherView* launcher_view_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherTooltipManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_LAUNCHER_LAUNCHER_TOOLTIP_MANAGER_H_