Switch to standard integer types in ppapi/.

ppapi/thunk/ppb_video_source_private_api.h

 // Copyright (c) 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 PPAPI_THUNK_PPB_VIDEO_SOURCE_PRIVATE_API_H_
 #define PPAPI_THUNK_PPB_VIDEO_SOURCE_PRIVATE_API_H_
 
+#include <stdint.h>
+
 #include "base/memory/ref_counted.h"
 #include "ppapi/thunk/ppapi_thunk_export.h"
 
 struct PP_VideoFrame_Private;
 
 namespace ppapi {
 
 class TrackedCallback;
 
 namespace thunk {
 
 class PPAPI_THUNK_EXPORT PPB_VideoSource_Private_API {
  public:
   virtual ~PPB_VideoSource_Private_API() {}
 
   virtual int32_t Open(const PP_Var& stream_url,
                        scoped_refptr<TrackedCallback> callback) = 0;
   virtual int32_t GetFrame(PP_VideoFrame_Private* frame,
                            scoped_refptr<TrackedCallback> callback) = 0;
   virtual void Close() = 0;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_PPB_VIDEO_SOURCE_PRIVATE_API_H_