Remove legacy version of the control channel protocol.

remoting/protocol/session_config.h

 // Copyright (c) 2012 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_SESSION_CONFIG_H_
 #define REMOTING_PROTOCOL_SESSION_CONFIG_H_
 
 #include <list>
 #include <string>
 
@@ skipping 65 matching lines @@
   const ChannelConfig& video_config() const { return video_config_; }
   void set_audio_config(const ChannelConfig& audio_config) {
     audio_config_ = audio_config;
   }
   const ChannelConfig& audio_config() const { return audio_config_; }
 
   bool is_audio_enabled() const {
     return audio_config_.transport != ChannelConfig::TRANSPORT_NONE;
   }
 
-  // Returns true if the control channel supports capabilities.
-  bool SupportsCapabilities() const;
-
   // Returns a suitable session configuration for use in tests.
   static SessionConfig ForTest();
 
  private:
   ChannelConfig control_config_;
   ChannelConfig event_config_;
   ChannelConfig video_config_;
   ChannelConfig audio_config_;
 };
 
@@ skipping 78 matching lines @@
   std::list<ChannelConfig> control_configs_;
   std::list<ChannelConfig> event_configs_;
   std::list<ChannelConfig> video_configs_;
   std::list<ChannelConfig> audio_configs_;
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_SESSION_CONFIG_H_