ServiceWorker: Make "ready" fetches registration from browser process(2/3).

content/common/service_worker/service_worker_messages.h

Index: content/common/service_worker/service_worker_messages.h
diff --git a/content/common/service_worker/service_worker_messages.h b/content/common/service_worker/service_worker_messages.h
index 806423a0640408dd273346e55ad74a46e9bdf0dc..806e670d19a4f9f3c37944210c35c1e993bb0ea6 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -141,6 +141,11 @@ IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_GetRegistration,
                      int /* provider_id */,
                      GURL /* document_url */)
 
+IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetReadyRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     int /* provider_id */)
+
 // Sends a 'message' event to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_PostMessageToWorker,
                      int /* handle_id */,
@@ -340,6 +345,13 @@ IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetRegistration,
                      content::ServiceWorkerRegistrationObjectInfo,
                      content::ServiceWorkerVersionAttributes)
 
+// Response to ServiceWorkerHostMsg_GetReadyRegistration.
+IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetReadyRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     content::ServiceWorkerRegistrationObjectInfo,
+                     content::ServiceWorkerVersionAttributes)
+
 // Sent when any kind of registration error occurs during a
 // RegisterServiceWorker handler above.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerRegistrationError,