Add accelerated video decoder interface, VP8 and H.264 implementations and hook up to V4L2SVDA.

content/common/gpu/media/vp8_picture.h

Index: content/common/gpu/media/vp8_picture.h
diff --git a/content/common/gpu/media/vp8_picture.h b/content/common/gpu/media/vp8_picture.h
new file mode 100644
index 0000000000000000000000000000000000000000..1187698e7a70ce1c5920b53a0ce101f19ef6a464
--- /dev/null
+++ b/content/common/gpu/media/vp8_picture.h
@@ -0,0 +1,29 @@
+// Copyright 2015 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_COMMON_GPU_MEDIA_VP8_PICTURE_H_
+#define CONTENT_COMMON_GPU_MEDIA_VP8_PICTURE_H_
+
+#include "base/memory/ref_counted.h"
+
+namespace content {
+
+class V4L2VP8Picture;
+
+class VP8Picture : public base::RefCounted<VP8Picture> {
+ public:
+  VP8Picture();
+
+  virtual V4L2VP8Picture* AsV4L2VP8Picture();
+
+ protected:
+  friend class base::RefCounted<VP8Picture>;
+  virtual ~VP8Picture();
+
+  DISALLOW_COPY_AND_ASSIGN(VP8Picture);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_MEDIA_VP8_PICTURE_H_