ServiceWorker: Make '.ready' return a promise to be resolved with ServiceWorkerRegistration (2/3)

content/browser/service_worker/service_worker_dispatcher_host.h

Index: content/browser/service_worker/service_worker_dispatcher_host.h
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.h b/content/browser/service_worker/service_worker_dispatcher_host.h
index 9ea4296b1e63773ea4597a693377f4b221b1a6a1..d58b7854caeb7de1f9c5d6035711fe82544ae057 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.h
+++ b/content/browser/service_worker/service_worker_dispatcher_host.h
@@ -25,6 +25,7 @@ class ServiceWorkerHandle;
 class ServiceWorkerProviderHost;
 class ServiceWorkerRegistration;
 class ServiceWorkerRegistrationHandle;
+struct ServiceWorkerRegistrationObjectInfo;
 
 class CONTENT_EXPORT ServiceWorkerDispatcherHost : public BrowserMessageFilter {
  public:
@@ -51,6 +52,10 @@ class CONTENT_EXPORT ServiceWorkerDispatcherHost : public BrowserMessageFilter {
   void RegisterServiceWorkerRegistrationHandle(
       scoped_ptr<ServiceWorkerRegistrationHandle> handle);
 
+  ServiceWorkerRegistrationObjectInfo GetOrCreateRegistrationHandle(
+      int provider_id,
+      ServiceWorkerRegistration* registration);
+
   MessagePortMessageFilter* message_port_message_filter() {
     return message_port_message_filter_;
   }