Switch to standard integer types in ash/.

ash/shelf/app_list_button.h

 // Copyright 2014 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_SHELF_APP_LIST_BUTTON_H_
 #define ASH_SHELF_APP_LIST_BUTTON_H_
 
+#include "base/macros.h"
 #include "ui/views/controls/button/image_button.h"
 
 namespace ash {
 class ShelfButtonHost;
 class ShelfWidget;
 
 // Button used for the AppList icon on the shelf.
 class AppListButton : public views::ImageButton {
  public:
   // Bounds size (inset) required for the app icon image (in pixels).
@@ skipping 35 matching lines @@
   // Reference to the shelf widget containing this button, owned by the
   // root window controller.
   ShelfWidget* shelf_widget_;
 
   DISALLOW_COPY_AND_ASSIGN(AppListButton);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELF_APP_LIST_BUTTON_H_