Remove event_channel() and control_channel() from Session interface.

remoting/protocol/rtp_video_reader.cc

 // 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.
 
 #include "remoting/protocol/rtp_video_reader.h"
 
 #include "base/bind.h"
 #include "base/task.h"
 #include "remoting/base/constants.h"
 #include "remoting/proto/video.pb.h"
@@ skipping 38 matching lines @@
   session_->CreateDatagramChannel(
       kVideoRtpChannelName,
       base::Bind(&RtpVideoReader::OnChannelReady,
                  base::Unretained(this), true));
   session_->CreateDatagramChannel(
       kVideoRtcpChannelName,
       base::Bind(&RtpVideoReader::OnChannelReady,
                  base::Unretained(this), false));
 }
 
+bool RtpVideoReader::is_connected() {
+  return rtp_channel_.get() && rtcp_channel_.get();
+}
+
 void RtpVideoReader::OnChannelReady(bool rtp, net::Socket* socket) {
   if (!socket) {
     if (!initialized_) {
       initialized_ = true;
       initialized_callback_.Run(false);
     }
     return;
   }
 
   if (rtp) {
@@ skipping 159 matching lines @@
     RtcpReceiverReport report;
     rtp_reader_.GetReceiverReport(&report);
     rtcp_writer_.SendReport(report);
 
     last_receiver_report_ = now;
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting