Always use chromium threads for IO in remoting host

remoting/host/host_port_allocator.cc

Index: remoting/host/host_port_allocator.cc
diff --git a/remoting/host/host_port_allocator.cc b/remoting/host/host_port_allocator.cc
index a3ca33acd5f83930e6774c130cb432e0fa84e13b..cf76f521dbb43ee745626d4f3dd54b3ea2abe8ce 100644
--- a/remoting/host/host_port_allocator.cc
+++ b/remoting/host/host_port_allocator.cc
@@ -13,7 +13,7 @@
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "remoting/host/network_settings.h"
-#include "third_party/libjingle/source/talk/base/basicpacketsocketfactory.h"
+#include "remoting/jingle_glue/chromium_socket_factory.h"
 
 namespace remoting {
 
@@ -128,7 +128,7 @@ scoped_ptr<HostPortAllocator> HostPortAllocator::Create(
   scoped_ptr<talk_base::NetworkManager> network_manager(
       new talk_base::BasicNetworkManager());
   scoped_ptr<talk_base::PacketSocketFactory> socket_factory(
-      new talk_base::BasicPacketSocketFactory());
+      new remoting::ChromiumPacketSocketFactory());
   scoped_ptr<HostPortAllocator> result(
       new HostPortAllocator(url_context, network_manager.Pass(),
                             socket_factory.Pass()));