Use AutoThread in ChromotingHostContext & NPAPI plugin.

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 88f7bae39a0a174e441792b4ddc42c64a5bc7c52..5379d1c3dd1dace9e2e5644eb03917cdf25e0e5b 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -1087,13 +1087,11 @@ int main(int argc, char** argv) {
 
   // Create the main message loop and start helper threads.
   MessageLoop message_loop(MessageLoop::TYPE_UI);
-  base::Closure quit_message_loop = base::Bind(&QuitMessageLoop, &message_loop);
-  scoped_ptr<remoting::ChromotingHostContext> context(
-      new remoting::ChromotingHostContext(
+  scoped_ptr<remoting::ChromotingHostContext> context =
+      remoting::ChromotingHostContext::Create(
           new remoting::AutoThreadTaskRunner(message_loop.message_loop_proxy(),
-                                             quit_message_loop)));
-
-  if (!context->Start())
+                                             MessageLoop::QuitClosure()));
+  if (!context)
     return remoting::kInitializationFailed;
 
   // Create & start the HostProcess using these threads.