reland patch http://codereview.chromium.org/7204008 after webrtc build has been fixed.

BUG=none
TEST=try bots
Review URL: http://codereview.chromium.org/7458006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@93235 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 33 insertions, 0 deletions

diff --git a/webkit/glue/media/media_stream_client.h b/webkit/glue/media/media_stream_client.h
new file mode 100644
index 0000000..2f51d91
--- /dev/null
+++ b/webkit/glue/media/media_stream_client.h
@@ -0,0 +1,33 @@
+// 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 WEBKIT_GLUE_MEDIA_MEDIA_STREAM_CLIENT_H_
+#define WEBKIT_GLUE_MEDIA_MEDIA_STREAM_CLIENT_H_
+
+#include "base/memory/ref_counted.h"
+
+class GURL;
+
+namespace media {
+class VideoDecoder;
+class MessageLoopFactory;
+}
+
+namespace webkit_glue {
+
+// Define an interface for media stream client to get some information about
+// the media stream.
+class MediaStreamClient {
+ public:
+  virtual scoped_refptr<media::VideoDecoder> GetVideoDecoder(
+      const GURL& url,
+      media::MessageLoopFactory* message_loop_factory) = 0;
+
+ protected:
+  virtual ~MediaStreamClient() {}
+};
+
+}  // namespace webkit_glue
+
+#endif  // WEBKIT_GLUE_MEDIA_MEDIA_STREAM_CLIENT_H_