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

content/renderer/service_worker/embedded_worker_context_client.h

Index: content/renderer/service_worker/embedded_worker_context_client.h
diff --git a/content/renderer/service_worker/embedded_worker_context_client.h b/content/renderer/service_worker/embedded_worker_context_client.h
index 9bdbecaecf7721b15e9a99b6fe58ba5bb7cbf52e..563e6b5c3bef237856c7541b56fce1da425f3db1 100644
--- a/content/renderer/service_worker/embedded_worker_context_client.h
+++ b/content/renderer/service_worker/embedded_worker_context_client.h
@@ -25,6 +25,7 @@ class TaskRunner;
 
 namespace blink {
 class WebDataSource;
+class WebServiceWorkerProvider;
 }
 
 namespace content {
@@ -105,6 +106,7 @@ class EmbeddedWorkerContextClient
                                                 bool accept_connection);
   virtual blink::WebServiceWorkerNetworkProvider*
       createServiceWorkerNetworkProvider(blink::WebDataSource* data_source);
+  virtual blink::WebServiceWorkerProvider* createServiceWorkerProvider();
   virtual void postMessageToClient(
       int client_id,
       const blink::WebString& message,