[NOT FOR REVIEW][PPAPI] Implement MediaStreamVideoTrack pepper API

ppapi/thunk/ppb_video_frame_api.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_THUNK_PPB_NET_ADDRESS_API_H_
+#define PPAPI_THUNK_PPB_NET_ADDRESS_API_H_
+
+#include "ppapi/c/ppb_video_frame.h"
+#include "ppapi/thunk/ppapi_thunk_export.h"
+
+namespace ppapi {
+namespace thunk {
+
+class PPAPI_THUNK_EXPORT PPB_VideoFrame_API {
+ public:
+  virtual ~PPB_VideoFrame_API() {}
+  virtual PP_TimeDelta GetTimestamp() = 0;
+  virtual void SetTimestamp(PP_TimeDelta timestamp) = 0;
+  virtual PP_VideoFrame_Format GetFormat() = 0;
+  virtual PP_Bool GetSize(PP_Size* size) = 0;
+  virtual void* GetDataBuffer() = 0;
+  virtual uint32_t GetDataBufferSize() = 0;
+};
+
+}  // namespace thunk
+}  // namespace ppapi
+
+#endif  // PPAPI_THUNK_PPB_NET_ADDRESS_API_H_