Switch to standard integer types in ppapi/.

ppapi/cpp/audio_encoder.h

 // Copyright 2015 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_AUDIO_ENCODER_H_
 #define PPAPI_CPP_AUDIO_ENCODER_H_
 
+#include <stdint.h>
+
 #include "ppapi/c/pp_codecs.h"
 #include "ppapi/c/ppb_audio_buffer.h"
 #include "ppapi/cpp/audio_buffer.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/resource.h"
 
 /// @file
 /// This file defines the API to create and use a AudioEncoder resource.
 
 namespace pp {
@@ skipping 135 matching lines @@
   /// callbacks will still run, reporting <code>PP_ERROR_ABORTED</code> . It is
   /// not valid to call any encoder functions after a call to this method.
   /// <strong>Note:</strong> Destroying the audio encoder closes it implicitly,
   /// so you are not required to call Close().
   void Close();
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_AUDIO_ENCODER_H_