Switch to standard integer types in ash/.

ash/wm/gestures/overview_gesture_handler.h

 // Copyright 2013 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_WM_GESTURES_OVERVIEW_GESTURE_HANDLER_H_
 #define ASH_WM_GESTURES_OVERVIEW_GESTURE_HANDLER_H_
 
-#include "base/basictypes.h"
+#include "base/macros.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
 class GestureEvent;
 class ScrollEvent;
 }
 
@@ skipping 13 matching lines @@
   // The total distance scrolled with three fingers.
   float scroll_x_;
   float scroll_y_;
 
   DISALLOW_COPY_AND_ASSIGN(OverviewGestureHandler);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_GESTURES_OVERVIEW_GESTURE_HANDLER_H_