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

public/web/WebServiceWorkerContextClient.h

Index: public/web/WebServiceWorkerContextClient.h
diff --git a/public/web/WebServiceWorkerContextClient.h b/public/web/WebServiceWorkerContextClient.h
index 3118298353c941e36cefc1a0c056dbef52a4bd25..6a47d5af6cfb6ffa7a8242da82cc69ab296cb1e3 100644
--- a/public/web/WebServiceWorkerContextClient.h
+++ b/public/web/WebServiceWorkerContextClient.h
@@ -47,14 +47,16 @@ class WebDataSource;
 class WebServiceWorkerCacheStorage;
 class WebServiceWorkerContextProxy;
 class WebServiceWorkerNetworkProvider;
+class WebServiceWorkerProvider;
 class WebServiceWorkerResponse;
 class WebString;
 
 // This interface is implemented by the client. It is supposed to be created
 // on the main thread and then passed on to the worker thread.
 // by a newly created WorkerGlobalScope. All methods of this class, except
-// for createServiceWorkerNetworkProvider() and workerContextFailedToStart(),
-// are called on the worker thread.
+// for createServiceWorkerNetworkProvider(), createServiceWorkerProvider() and
+// workerContextFailedToStart(), are called on the worker thread.
+//
 // FIXME: Split this into EmbeddedWorkerContextClient and
 // ServiceWorkerScriptContextClient when we decide to use EmbeddedWorker
 // framework for other implementation (like SharedWorker).
@@ -148,6 +150,9 @@ public:
     // Ownership of the returned object is transferred to the caller.
     virtual WebServiceWorkerNetworkProvider* createServiceWorkerNetworkProvider(WebDataSource*) { return 0; }
 
+    // Ownership of the returned object is transferred to the caller.
+    virtual WebServiceWorkerProvider* createServiceWorkerProvider() { return 0; }

[kinuko, 2015/02/05 09:09:29]

nit: I think we can now return nullptr (back then we weren't able to do so)

[nhiroki, 2015/02/05 09:12:42]

Done.

+
     // Ownership of the passed callbacks is transferred to the callee, callee
     // should delete the callbacks after calling either onSuccess or onError.
     // WebServiceWorkerClientsInfo and WebServiceWorkerError ownerships are