Switch to standard integer types in ppapi/.

ppapi/cpp/private/video_source_private.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_CPP_PRIVATE_VIDEO_SOURCE_PRIVATE_H_
 #define PPAPI_CPP_PRIVATE_VIDEO_SOURCE_PRIVATE_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "ppapi/c/pp_time.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/pass_ref.h"
 #include "ppapi/cpp/resource.h"
 
 /// @file
 /// This file defines the <code>PPB_VideoSource_Private</code> interface for a
 /// video source resource, which receives video frames from a MediaStream video
@@ skipping 58 matching lines @@
   int32_t GetFrame(
       const CompletionCallbackWithOutput<VideoFrame_Private>& cc);
 
   /// Closes the video source.
   void Close();
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_PRIVATE_VIDEO_SOURCE_PRIVATE_H_