Add CancelChannelCreation() in protocol::Session interface.

remoting/protocol/pepper_session.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/pepper_session.h"
 
 #include "base/bind.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
@@ skipping 108 matching lines @@
                    session_manager_->transport_config_, remote_cert_);
 }
 
 void PepperSession::CreateDatagramChannel(
     const std::string& name,
     const DatagramChannelCallback& callback) {
   // TODO(sergeyu): Implement datagram channel support.
   NOTREACHED();
 }
 
+void PepperSession::CancelChannelCreation(const std::string& name) {
+  ChannelsMap::iterator it = channels_.find(name);
+  if (it != channels_.end() && !it->second->is_connected()) {
+    delete it->second;
+    DCHECK(!channels_[name]);
+  }
+}
+
 net::Socket* PepperSession::control_channel() {
   DCHECK(CalledOnValidThread());
   return control_channel_socket_.get();
 }
 
 net::Socket* PepperSession::event_channel() {
   DCHECK(CalledOnValidThread());
   return event_channel_socket_.get();
 }
 
@@ skipping 271 matching lines @@
     DCHECK_NE(state_, FAILED);
 
     state_ = new_state;
     if (!state_change_callback_.is_null())
       state_change_callback_.Run(new_state);
   }
 }
 
 }  // namespace protocol
 }  // namespace remoting