ServiceWorker: Implement navigator.serviceWorker.getRegistration [2/3]

content/child/service_worker/web_service_worker_provider_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/service_worker/web_service_worker_provider_impl.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/logging.h"
 #include "content/child/child_thread.h"
 #include "content/child/service_worker/service_worker_dispatcher.h"
@@ skipping 50 matching lines @@
       provider_id_, pattern, script_url, callbacks);
 }
 
 void WebServiceWorkerProviderImpl::unregisterServiceWorker(
     const WebURL& pattern,
     WebServiceWorkerUnregistrationCallbacks* callbacks) {
   GetDispatcher()->UnregisterServiceWorker(
       provider_id_, pattern, callbacks);
 }
 
+void WebServiceWorkerProviderImpl::getRegistration(
+    const blink::WebURL& document_url,
+    WebServiceWorkerRegistrationCallbacks* callbacks) {
+  GetDispatcher()->GetRegistration(provider_id_, document_url, callbacks);
+}
+
 void WebServiceWorkerProviderImpl::RemoveScriptClient() {
   // Remove the script client, but only if the dispatcher is still there.
   // (For cleanup path we don't need to bother creating a new dispatcher)
   ServiceWorkerDispatcher* dispatcher =
       ServiceWorkerDispatcher::GetThreadSpecificInstance();
   if (dispatcher)
     dispatcher->RemoveScriptClient(provider_id_);
 }
 
 ServiceWorkerDispatcher* WebServiceWorkerProviderImpl::GetDispatcher() {
   return ServiceWorkerDispatcher::GetOrCreateThreadSpecificInstance(
       thread_safe_sender_.get());
 }
 
 }  // namespace content