Add VideoProcessor interface.

remoting/client/video_renderer.h

Index: remoting/client/video_renderer.h
diff --git a/remoting/client/video_renderer.h b/remoting/client/video_renderer.h
new file mode 100644
index 0000000000000000000000000000000000000000..08ccc40941ae1b9a1d16e0d1c8aaa75d71334fb6
--- /dev/null
+++ b/remoting/client/video_renderer.h
@@ -0,0 +1,31 @@
+// Copyright 2014 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 REMOTING_CLIENT_VIDEO_RENDERER_H_
+#define REMOTING_CLIENT_VIDEO_RENDERER_H_
+
+#include "remoting/protocol/video_stub.h"
+
+namespace remoting {
+
+class ChromotingStats;
+
+namespace protocol {
+class SessionConfig;
+}  // namespace protocol;
+
+// VideoRenderer is responsible for decoding and displaying incoming video
+// stream.
+class VideoRenderer : public protocol::VideoStub {
+ public:
+  // Initializes the processor with the information from the protocol config.
+  virtual void Initialize(const protocol::SessionConfig& config) = 0;
+
+  // Return the statistics recorded by this client.
+  virtual ChromotingStats* GetStats() = 0;
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_CLIENT_VIDEO_RENDERER_H_