[WIP][PPAPI] Implement MediaStreamVideoTrackResource.

ppapi/shared_impl/video_frame.h

Index: ppapi/shared_impl/video_frame.h
diff --git a/ppapi/shared_impl/video_frame.h b/ppapi/shared_impl/video_frame.h
new file mode 100644
index 0000000000000000000000000000000000000000..49fbccfcbcfc1094d9a864446f0b4e1baf2937cc
--- /dev/null
+++ b/ppapi/shared_impl/video_frame.h
@@ -0,0 +1,24 @@
+// Copyright (c) 2012 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_SHARED_IMPL_VIDEO_FRAME_H_
+#define PPAPI_SHARED_IMPL_VIDEO_FRAME_H_
+
+#include <string>
+
+#include "ppapi/c/ppb_video_frame.h"
+
+namespace ppapi {
+
+struct VideoFrame {
+  PP_TimeDelta timestamp;
+  PP_VideoFrame_Format format;
+  PP_Size size;
+  uint32_t data_size;
+  uint8_t data[0];
+};
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_VIDEO_FRAME_H_