[PPAPI] Pepper MediaStream API audio track implementation and example.

ppapi/thunk/ppb_media_stream_audio_track_thunk.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.
 
-// From ppb_media_stream_audio_track.idl modified Mon Jan 13 11:50:41 2014.
+// From ppb_media_stream_audio_track.idl modified Tue Jan 14 15:57:08 2014.
 
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_media_stream_audio_track.h"
 #include "ppapi/shared_impl/tracked_callback.h"
 #include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
 #include "ppapi/thunk/ppb_media_stream_audio_track_api.h"
-#include "ppapi/thunk/resource_creation_api.h"
-#include "ppapi/thunk/thunk.h"
 
 namespace ppapi {
 namespace thunk {
 
 namespace {
 
 PP_Bool IsMediaStreamAudioTrack(PP_Resource resource) {
   VLOG(4) << "PPB_MediaStreamAudioTrack::IsMediaStreamAudioTrack()";
   EnterResource<PPB_MediaStreamAudioTrack_API> enter(resource, false);
   return PP_FromBool(enter.succeeded());
@@ skipping 58 matching lines @@
   &Configure,
   &GetId,
   &HasEnded,
   &GetFrame,
   &RecycleFrame,
   &Close
 };
 
 }  // namespace
 
-const PPB_MediaStreamAudioTrack_0_1* GetPPB_MediaStreamAudioTrack_0_1_Thunk() {
+PPAPI_THUNK_EXPORT const PPB_MediaStreamAudioTrack_0_1*
+    GetPPB_MediaStreamAudioTrack_0_1_Thunk() {
   return &g_ppb_mediastreamaudiotrack_thunk_0_1;
 }
 
 }  // namespace thunk
 }  // namespace ppapi