Use correct thread for audio capturing and encoding.

remoting/host/plugin/host_script_object.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/plugin/host_script_object.h"
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/message_loop.h"
@@ skipping 355 matching lines @@
     network_settings.min_port = NetworkSettings::kDefaultMinPort;
     network_settings.max_port = NetworkSettings::kDefaultMaxPort;
   }
 
   // Create the host.
   host_ = new ChromotingHost(
       signal_strategy_.get(),
       desktop_environment_factory_.get(),
       CreateHostSessionManager(network_settings,
                                host_context_->url_request_context_getter()),
+      host_context_->audio_task_runner(),
       host_context_->capture_task_runner(),
       host_context_->encode_task_runner(),
       host_context_->network_task_runner());
   host_->AddStatusObserver(this);
   log_to_server_.reset(
       new LogToServer(host_, ServerLogEntry::IT2ME, signal_strategy_.get()));
 
   // Disable audio by default.
   // TODO(sergeyu): Add UI to enable it.
   scoped_ptr<protocol::CandidateSessionConfig> protocol_config =
@@ skipping 1132 matching lines @@
 }
 
 void HostNPScriptObject::SetException(const std::string& exception_string) {
   DCHECK(plugin_task_runner_->BelongsToCurrentThread());
 
   g_npnetscape_funcs->setexception(parent_, exception_string.c_str());
   LOG(INFO) << exception_string;
 }
 
 }  // namespace remoting