Add CancelChannelCreation() in protocol::Session interface.

remoting/protocol/pepper_stream_channel.h

 // 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.
 
 #ifndef REMOTING_PROTOCOL_PEPPER_STREAM_CHANNEL_H_
 #define REMOTING_PROTOCOL_PEPPER_STREAM_CHANNEL_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 21 matching lines @@
   PepperStreamChannel(PepperSession* session,
                       const std::string& name,
                       const Session::StreamChannelCallback& callback);
   virtual ~PepperStreamChannel();
 
   // PepperChannel implementation.
   virtual void Connect(pp::Instance* pp_instance,
                        const TransportConfig& transport_config,
                        const std::string& remote_cert) OVERRIDE;
   virtual void AddRemoveCandidate(const cricket::Candidate& candidate) OVERRIDE;
-  virtual const std::string& name() OVERRIDE;
+  virtual const std::string& name() const OVERRIDE;
+  virtual bool is_connected() const OVERRIDE;
 
   // PepperTransportSocketAdapter implementation.
   virtual void OnChannelDeleted() OVERRIDE;
   virtual void OnChannelNewLocalCandidate(
       const std::string& candidate) OVERRIDE;
 
  private:
   void OnP2PConnect(int result);
 
   bool EstablishSSLConnection();
@@ skipping 31 matching lines @@
   net::OldCompletionCallbackImpl<PepperStreamChannel> p2p_connect_callback_;
   net::OldCompletionCallbackImpl<PepperStreamChannel> ssl_connect_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperStreamChannel);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_PEPPER_STREAM_CHANNEL_H_