Move rtc_video_decoder* from media/filter/ to content/renderer/media/.

content/renderer/media/external_renderer.h

+// Copyright (c) 2011 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_EXTERNAL_RENDERER_H_
+#define CONTENT_RENDERER_MEDIA_EXTERNAL_RENDERER_H_
+
+// TODO(ronghuawu) ExternalRenderer should be replaced by
+// cricket::VideoRenderer from libjingle
+class ExternalRenderer {
+ public:
+  virtual int FrameSizeChange(unsigned int width,
+                              unsigned int height,
+                              unsigned int number_of_streams) = 0;
+  virtual int DeliverFrame(unsigned char* buffer, int buffer_size) = 0;
+
+ protected:
+  virtual ~ExternalRenderer() {}
+};
+
+#endif  // CONTENT_RENDERER_MEDIA_EXTERNAL_RENDERER_H_