Switch to standard integer types in ash/.

ash/first_run/first_run_helper.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_FIRST_RUN_FIRST_RUN_HELPER_H_
 #define ASH_FIRST_RUN_FIRST_RUN_HELPER_H_
 
 #include "ash/ash_export.h"
-#include "base/basictypes.h"
+#include "base/macros.h"
 #include "base/observer_list.h"
 
 namespace gfx {
 class Rect;
 }
 
 namespace views {
 class Widget;
 }
 
@@ skipping 56 matching lines @@
  private:
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunHelper);
 };
 
 }  // namespace ash
 
 #endif  // ASH_FIRST_RUN_FIRST_RUN_HELPER_H_