ServiceWorker: Support SWRegistration.unregister() in SWGlobalScope [1/2]

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 d04fc06aaf3ebe89ea362ab2c4be854d9e55d73d..ca4cf275c1b4f9a8a0afe95c14c7e9ed9cddfd87 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.cc
+++ b/content/renderer/service_worker/embedded_worker_context_client.cc
@@ -20,6 +20,7 @@
 #include "content/child/service_worker/service_worker_provider_context.h"
 #include "content/child/service_worker/service_worker_registration_handle_reference.h"
 #include "content/child/service_worker/web_service_worker_impl.h"
+#include "content/child/service_worker/web_service_worker_provider_impl.h"
 #include "content/child/service_worker/web_service_worker_registration_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/child/worker_task_runner.h"
@@ -362,6 +363,16 @@ EmbeddedWorkerContextClient::createServiceWorkerNetworkProvider(
   return new WebServiceWorkerNetworkProviderImpl();
 }
 
+blink::WebServiceWorkerProvider*
+EmbeddedWorkerContextClient::createServiceWorkerProvider() {
+  DCHECK(main_thread_proxy_->RunsTasksOnCurrentThread());
+  DCHECK(provider_context_);
+
+  // Blink is responsible for deleting the returned object.
+  return new WebServiceWorkerProviderImpl(
+      thread_safe_sender(), provider_context_.get());
+}
+
 void EmbeddedWorkerContextClient::postMessageToClient(
     int client_id,
     const blink::WebString& message,