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 ed114ff6d0e2c7ef2c77fd070912d42d2907965c..06719f5e84de6f88f109a63e2f13c9a7f1c4fd4d 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.cc
+++ b/content/renderer/service_worker/embedded_worker_context_client.cc
@@ -21,6 +21,7 @@
 #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"
@@ -368,6 +369,16 @@ 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,