Use correct thread for audio capturing and encoding.

remoting/host/remoting_me2me_host.cc

Index: remoting/host/remoting_me2me_host.cc
diff --git a/remoting/host/remoting_me2me_host.cc b/remoting/host/remoting_me2me_host.cc
index 2b8b28b3ce1a76b849f7bf90c68caae84891e984..3e86f87134da7fc898571c9bfcd78f20c2eb1b6a 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -715,6 +715,7 @@ void HostProcess::StartHost() {
       desktop_environment_factory_.get(),
       CreateHostSessionManager(network_settings,
                                context_->url_request_context_getter()),
+      context_->audio_task_runner(),
       context_->capture_task_runner(),
       context_->encode_task_runner(),
       context_->network_task_runner());
@@ -897,8 +898,9 @@ int main(int argc, char** argv) {
   // TODO(sergeyu): Pass configuration parameters to the Linux-specific version
   // of DesktopEnvironmentFactory when we have it.
   remoting::VideoFrameCapturer::EnableXDamage(true);
-  remoting::AudioCapturerLinux::SetPipeName(CommandLine::ForCurrentProcess()->
-      GetSwitchValuePath(kAudioPipeSwitchName));
+  remoting::AudioCapturerLinux::SetPipeName(
+      CommandLine::ForCurrentProcess()->GetSwitchValuePath(
+          kAudioPipeSwitchName));
 #endif  // defined(OS_LINUX)
 
   if (!context->Start())