Switch to standard integer types in ppapi/.

ppapi/cpp/graphics_3d.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 PPAPI_CPP_GRAPHICS_3D_H_
 #define PPAPI_CPP_GRAPHICS_3D_H_
 
+#include <stdint.h>
+
 #include "ppapi/c/ppb_graphics_3d.h"
 #include "ppapi/cpp/resource.h"
 
 /// @file
 /// This file defines the API to create a 3D rendering context in the browser.
 namespace pp {
 
 class CompletionCallback;
 class InstanceHandle;
 
@@ skipping 166 matching lines @@
   ///
   /// @return An int32_t containing <code>PP_ERROR_BADRESOURCE</code> if
   /// context is invalid or <code>PP_ERROR_BADARGUMENT</code> if callback is
   /// invalid.
   int32_t SwapBuffers(const CompletionCallback& cc);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_GRAPHICS_3D_H_