Integrate VDA with WebRTC.

content/renderer/media/native_handle_impl.h

+// Copyright (c) 2013 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 CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_
+#define CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_
+
+#include "base/memory/ref_counted.h"
+#include "media/base/video_frame.h"
+#include "third_party/webrtc/common_video/interface/native_handle.h"
+
+namespace content {
+
+class NativeHandleImpl : public webrtc::NativeHandle {
+ public:
+  // Wraps a video frame in the handle.
+  virtual void SetHandle(void* handle);

[Ami GONE FROM CHROMIUM, 2013/06/13 20:10:03]

style: virtual functions must have OVERRIDE declarations.
In general you should probably build with the chromium-style-checker plugin
enabled so that you can fix these before the trybots fail on you; details on how
to do that are at https://code.google.com/p/chromium/wiki/Clang#Using_plugins
TL;DR is add clang_use_chrome_plugins=1 to $GYP_DEFINES and re-run gyp.
More info on the things checked at
http://dev.chromium.org/developers/coding-style/chromium-style-checker-errors

[wuchengli, 2013/06/18 16:11:23]

OVERRIDE is added. I had problems building with clang. I'll try again.

+
+  // Retrieves the video frame in the handle. The frame is still ref-counted by
+  // the handle. The ref count decreases when NativeHandleImpl is destroyed.
+  virtual void* GetHandle();
+
+ private:
+  scoped_refptr<media::VideoFrame> frame_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_NATIVE_HANDLE_IMPL_H_