Switch to standard integer types in ppapi/.

ppapi/cpp/media_stream_audio_track.h

 // Copyright 2014 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_MEDIA_STREAM_AUDIO_TRACK_H_
 #define PPAPI_CPP_MEDIA_STREAM_AUDIO_TRACK_H_
 
+#include <stdint.h>
+
 #include <string>
 
 #include "ppapi/c/ppb_media_stream_audio_track.h"
 #include "ppapi/cpp/resource.h"
 #include "ppapi/cpp/var.h"
 
 /// @file
 /// This file defines the <code>MediaStreamAudioTrack</code> interface for an
 /// audio source resource, which receives audio buffers from a MediaStream audio
 /// track in the browser.
@@ skipping 117 matching lines @@
   ///
   /// @param[in] resource A <code>Resource</code> to test.
   ///
   /// @return True if <code>resource</code> is a MediaStream audio track.
   static bool IsMediaStreamAudioTrack(const Resource& resource);
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_MEDIA_STREAM_AUDIO_TRACK_H_