Switch to standard integer types in ppapi/.

ppapi/tests/test_media_stream_video_track.cc

 // 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.
 //
 // Tests PPB_MediaStreamVideoTrack interface.
 
 #include "ppapi/tests/test_media_stream_video_track.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
 #include "ppapi/c/private/ppb_testing_private.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/var.h"
 #include "ppapi/cpp/video_frame.h"
 #include "ppapi/tests/test_utils.h"
 #include "ppapi/tests/testing_instance.h"
 
 REGISTER_TEST_CASE(MediaStreamVideoTrack);
 
@@ skipping 208 matching lines @@
       video_track_.RecycleFrame(frame);
     }
   }
 
   // Close the track.
   video_track_.Close();
   ASSERT_TRUE(video_track_.HasEnded());
   video_track_ = pp::MediaStreamVideoTrack();
   PASS();
 }