ServiceWorker: Implement navigator.serviceWorker.getRegistration [2/3]

content/browser/service_worker/service_worker_context_core.h

Index: content/browser/service_worker/service_worker_context_core.h
diff --git a/content/browser/service_worker/service_worker_context_core.h b/content/browser/service_worker/service_worker_context_core.h
index d3d9898d1cabd31536aa8b18593cfe5e24dbd5e2..df674fa917c3aeab19741616b009da56e50764a2 100644
--- a/content/browser/service_worker/service_worker_context_core.h
+++ b/content/browser/service_worker/service_worker_context_core.h
@@ -63,6 +63,9 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                               int64 version_id)> RegistrationCallback;
   typedef base::Callback<
       void(ServiceWorkerStatusCode status)> UnregistrationCallback;
+  typedef base::Callback<
+      void(ServiceWorkerStatusCode status,
+           int64 registration_id)> GetRegistrationCallback;
   typedef IDMap<ServiceWorkerProviderHost, IDMapOwnPointer> ProviderMap;
   typedef IDMap<ProviderMap, IDMapOwnPointer> ProcessToProviderMap;
 
@@ -154,6 +157,8 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                              const RegistrationCallback& callback);
   void UnregisterServiceWorker(const GURL& pattern,
                                const UnregistrationCallback& callback);
+  void GetRegistration(const GURL& document_url,
+                       const GetRegistrationCallback& callback);
   void UpdateServiceWorker(ServiceWorkerRegistration* registration);
 
   // This class maintains collections of live instances, this class
@@ -204,6 +209,11 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                               const UnregistrationCallback& callback,
                               ServiceWorkerStatusCode status);
 
+  void GetRegistrationComplete(
+      const GetRegistrationCallback& callback,
+      ServiceWorkerStatusCode status,
+      const scoped_refptr<ServiceWorkerRegistration>& registration);
+
   base::WeakPtrFactory<ServiceWorkerContextCore> weak_factory_;
   // It's safe to store a raw pointer instead of a scoped_refptr to |wrapper_|
   // because the Wrapper::Shutdown call that hops threads to destroy |this| uses