Implement a dummy host to do capturing and analysis only.

remoting/protocol/fake_connection_to_client.h

 // 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 REMOTING_PROTOCOL_FAKE_CONNECTION_TO_CLIENT_H_
 #define REMOTING_PROTOCOL_FAKE_CONNECTION_TO_CLIENT_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "remoting/protocol/connection_to_client.h"
+#include "remoting/protocol/video_feedback_stub.h"
 #include "remoting/protocol/video_stream.h"
+#include "remoting/protocol/video_stub.h"
 
 namespace remoting {
 namespace protocol {
 
 class FakeVideoStream : public protocol::VideoStream {
  public:
   FakeVideoStream();
   ~FakeVideoStream() override;
 
   // protocol::VideoStream interface.
@@ skipping 35 matching lines @@
   void set_clipboard_stub(ClipboardStub* clipboard_stub) override;
   void set_host_stub(HostStub* host_stub) override;
   void set_input_stub(InputStub* input_stub) override;
 
   base::WeakPtr<FakeVideoStream> last_video_stream() {
     return last_video_stream_;
   }
 
   void set_audio_stub(AudioStub* audio_stub) { audio_stub_ = audio_stub; }
   void set_client_stub(ClientStub* client_stub) { client_stub_ = client_stub; }
+  void set_video_stub(VideoStub* video_stub) { video_stub_ = video_stub; }
+  void set_video_encode_task_runner(
+      scoped_refptr<base::SingleThreadTaskRunner> runner) {

[joedow, 2016/05/04 22:58:49]

You should forward declare SingleThreadTaskRunner, I think this happens to work
as someone else is including the header for you now.

[Hzj_jie, 2016/05/05 00:47:36]

Done.

+    video_encode_task_runner_ = runner;
+  }
 
   EventHandler* event_handler() { return event_handler_; }
   ClipboardStub* clipboard_stub() { return clipboard_stub_; }
   HostStub* host_stub() { return host_stub_; }
   InputStub* input_stub() { return input_stub_; }
+  VideoStub* video_stub() { return video_stub_; }
+  VideoFeedbackStub* video_feedback_stub() { return video_feedback_stub_; }
 
   bool is_connected() { return is_connected_; }
   ErrorCode disconnect_error() { return disconnect_error_; }
 
  private:
   std::unique_ptr<Session> session_;
   EventHandler* event_handler_ = nullptr;
 
   base::WeakPtr<FakeVideoStream> last_video_stream_;
 
   AudioStub* audio_stub_ = nullptr;
   ClientStub* client_stub_ = nullptr;
 
   ClipboardStub* clipboard_stub_ = nullptr;
   HostStub* host_stub_ = nullptr;
   InputStub* input_stub_ = nullptr;
+  VideoStub* video_stub_ = nullptr;
+  VideoFeedbackStub* video_feedback_stub_ = nullptr;
+
+  scoped_refptr<base::SingleThreadTaskRunner> video_encode_task_runner_;
 
   bool is_connected_ = true;
   ErrorCode disconnect_error_ = OK;
 
   DISALLOW_COPY_AND_ASSIGN(FakeConnectionToClient);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_FAKE_CONNECTION_TO_CLIENT_H_