Add InputEventTimestampSource interface.

remoting/protocol/ice_connection_to_client.cc

Index: remoting/protocol/ice_connection_to_client.cc
diff --git a/remoting/protocol/ice_connection_to_client.cc b/remoting/protocol/ice_connection_to_client.cc
index b0ec636fe21f3b6fdd589d34ffe408ad05674606..dee680c8f3a88348674d2bf0bbcf5ed5ec824e3a 100644
--- a/remoting/protocol/ice_connection_to_client.cc
+++ b/remoting/protocol/ice_connection_to_client.cc
@@ -92,6 +92,7 @@ std::unique_ptr<VideoStream> IceConnectionToClient::StartVideoStream(
   std::unique_ptr<VideoFramePump> pump(
       new VideoFramePump(video_encode_task_runner_, std::move(desktop_capturer),
                          std::move(video_encoder), video_dispatcher_.get()));
+  pump->SetEventTimestampSource(event_dispatcher_->GetEventTimestampSource());
   video_dispatcher_->set_video_feedback_stub(pump->video_feedback_stub());
   return std::move(pump);
 }
@@ -152,12 +153,7 @@ void IceConnectionToClient::OnSessionStateChange(Session::State state) {
       // Initialize channels.
       control_dispatcher_->Init(transport_.GetMultiplexedChannelFactory(),
                                 this);
-
       event_dispatcher_->Init(transport_.GetMultiplexedChannelFactory(), this);
-      event_dispatcher_->set_on_input_event_callback(
-          base::Bind(&IceConnectionToClient::OnInputEventReceived,
-                     base::Unretained(this)));
-
       video_dispatcher_->Init(transport_.GetChannelFactory(), this);
 
       audio_writer_ = AudioWriter::Create(session_->config());
@@ -204,11 +200,6 @@ void IceConnectionToClient::OnChannelClosed(
   NOTREACHED();
 }
 
-void IceConnectionToClient::OnInputEventReceived(int64_t timestamp) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  event_handler_->OnInputEventReceived(timestamp);
-}
-
 void IceConnectionToClient::NotifyIfChannelsReady() {
   DCHECK(thread_checker_.CalledOnValidThread());