Improve handling of NONE transport in channel configuration.

remoting/host/chromoting_host.cc

 // 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.
 
 #include "remoting/host/chromoting_host.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
@@ skipping 70 matching lines @@
   DCHECK(context_);
   DCHECK(signal_strategy);
   DCHECK(desktop_environment_);
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
   if (!desktop_environment_->audio_capturer()) {
     // Disable audio by replacing our list of supported audio configurations
     // with the NONE config.
     protocol_config_->mutable_audio_configs()->clear();
     protocol_config_->mutable_audio_configs()->push_back(
-        protocol::ChannelConfig(protocol::ChannelConfig::TRANSPORT_NONE,
-                                protocol::kDefaultStreamVersion,
-                                protocol::ChannelConfig::CODEC_VERBATIM));
+        protocol::ChannelConfig());
   }
 }
 
 ChromotingHost::~ChromotingHost() {
   DCHECK(clients_.empty());
 }
 
 void ChromotingHost::Start() {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
@@ skipping 397 matching lines @@
                     OnShutdown());
 
   for (std::vector<base::Closure>::iterator it = shutdown_tasks_.begin();
        it != shutdown_tasks_.end(); ++it) {
     it->Run();
   }
   shutdown_tasks_.clear();
 }
 
 }  // namespace remoting