Enable messaging over a navigator.connect initiated channel.

content/renderer/service_worker/embedded_worker_context_client.cc

Index: content/renderer/service_worker/embedded_worker_context_client.cc
diff --git a/content/renderer/service_worker/embedded_worker_context_client.cc b/content/renderer/service_worker/embedded_worker_context_client.cc
index 6aaee2ccdfc40acba0e68617e231571c2bb4f374..eef9919b339070677665fea74d012ab203724b90 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.cc
+++ b/content/renderer/service_worker/embedded_worker_context_client.cc
@@ -376,6 +376,15 @@ void EmbeddedWorkerContextClient::postMessageToClient(
                                          make_scoped_ptr(channels));
 }
 
+void EmbeddedWorkerContextClient::postMessageToCrossOriginClient(
+    const blink::WebCrossOriginServiceWorkerClient& client,
+    const blink::WebString& message,
+    blink::WebMessagePortChannelArray* channels) {
+  DCHECK(script_context_);
+  script_context_->PostCrossOriginMessageToClient(client, message,
+                                                  make_scoped_ptr(channels));
+}
+
 void EmbeddedWorkerContextClient::focus(
     int client_id, blink::WebServiceWorkerClientFocusCallback* callback) {
   DCHECK(script_context_);