Enables delegating signal strategy for It2Me Host.

remoting/client/plugin/chromoting_instance.cc

Index: remoting/client/plugin/chromoting_instance.cc
diff --git a/remoting/client/plugin/chromoting_instance.cc b/remoting/client/plugin/chromoting_instance.cc
index 14d0803bf2ee1b24667e9d446ea4a98dfd09e8df..1fa13ebd3a45516d7e2f7fc4beb7bff89830d8a3 100644
--- a/remoting/client/plugin/chromoting_instance.cc
+++ b/remoting/client/plugin/chromoting_instance.cc
@@ -43,7 +43,6 @@
 #include "remoting/client/normalizing_input_filter_cros.h"
 #include "remoting/client/normalizing_input_filter_mac.h"
 #include "remoting/client/normalizing_input_filter_win.h"
-#include "remoting/client/plugin/delegating_signal_strategy.h"
 #include "remoting/client/plugin/pepper_audio_player.h"
 #include "remoting/client/plugin/pepper_main_thread_task_runner.h"
 #include "remoting/client/plugin/pepper_mouse_locker.h"
@@ -56,6 +55,7 @@
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/transport_context.h"
+#include "remoting/signaling/delegating_signal_strategy.h"
 #include "third_party/webrtc/base/helpers.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 #include "url/gurl.h"
@@ -671,8 +671,9 @@ void ChromotingInstance::HandleConnect(const base::DictionaryValue& data) {
 
   // Setup the signal strategy.
   signal_strategy_.reset(new DelegatingSignalStrategy(
-      local_jid, base::Bind(&ChromotingInstance::SendOutgoingIq,
-                            weak_factory_.GetWeakPtr())));
+      local_jid, plugin_task_runner_,
+      base::Bind(&ChromotingInstance::SendOutgoingIq,
+                 weak_factory_.GetWeakPtr())));
 
   // Create TransportContext.
   scoped_refptr<protocol::TransportContext> transport_context(