Pass VideoRenderer interface to ConnectionToHost.

remoting/protocol/fake_video_renderer.h

Index: remoting/protocol/fake_video_renderer.h
diff --git a/remoting/protocol/fake_video_renderer.h b/remoting/protocol/fake_video_renderer.h
new file mode 100644
index 0000000000000000000000000000000000000000..a23f748a62e9f561cce7cfac6b3e57a81da3a7a0
--- /dev/null
+++ b/remoting/protocol/fake_video_renderer.h
@@ -0,0 +1,45 @@
+// Copyright 2016 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_PROTOCOL_FAKE_VIDEO_RENDERER_H_
+#define REMOTING_PROTOCOL_FAKE_VIDEO_RENDERER_H_
+
+#include <list>
+
+#include "remoting/protocol/video_renderer.h"
+#include "remoting/protocol/video_stub.h"
+
+namespace remoting {
+namespace protocol {
+
+class FakeVideoStub : public VideoStub {
+ public:
+  FakeVideoStub();
+  ~FakeVideoStub() override;
+
+  // VideoStub interface.
+  void ProcessVideoPacket(scoped_ptr<VideoPacket> video_packet,
+                          const base::Closure& done) override;
+ private:
+  std::list<scoped_ptr<VideoPacket>> received_packets_;
+};
+
+class FakeVideoRenderer : public VideoRenderer {
+ public:
+  FakeVideoRenderer();
+  ~FakeVideoRenderer() override;
+
+  // VideoRenderer interface.
+  void OnSessionConfig(const SessionConfig& config) override;
+  FakeVideoStub* GetVideoStub() override;
+  FrameConsumer* GetFrameConsumer() override;
+
+ private:
+  FakeVideoStub video_stub_;
+};
+
+}  // namespace protocol
+}  // namespace remoting
+
+#endif  // REMOTING_PROTOCOL_FAKE_VIDEO_RENDERER_H_