Switch to standard integer types in ui/gfx/.

ui/gfx/scoped_cg_context_save_gstate_mac.h

 // Copyright (c) 2011 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 UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
 #define UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_
 
 #import <QuartzCore/QuartzCore.h>
 
+#include "base/macros.h"
+
 namespace gfx {
 
 class ScopedCGContextSaveGState {
  public:
   explicit ScopedCGContextSaveGState(CGContextRef context) : context_(context) {
     CGContextSaveGState(context_);
   }
 
   ~ScopedCGContextSaveGState() {
     CGContextRestoreGState(context_);
   }
 
  private:
   CGContextRef context_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedCGContextSaveGState);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_SCOPED_CG_CONTEXT_SAVE_GSTATE_MAC_H_