ServiceWorker: Implement navigator.serviceWorker.getRegistration [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 42943e5ecf52f6c94fb66b362f9d6efeadaaeeb3..df9723ac7a36ef6320b34506d9520b858f63b1cf 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -90,6 +90,12 @@ IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_UnregisterServiceWorker,
                      int /* provider_id */,
                      GURL /* scope (url pattern) */)
 
+IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_GetRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     int /* provider_id */,
+                     GURL /* document_url */)
+
 // Sends a 'message' event to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_PostMessageToWorker,
                      int /* handle_id */,
@@ -196,8 +202,16 @@ IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_ServiceWorkerUnregistered,
                      int /* thread_id */,
                      int /* request_id */)
 
+// Response to ServiceWorkerHostMsg_GetRegistration.
+IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_DidGetRegistration,
+                     int /* thread_id */,
+                     int /* request_id */,
+                     content::ServiceWorkerRegistrationObjectInfo,
+                     content::ServiceWorkerVersionAttributes)
+
 // Sent when any kind of registration error occurs during a
-// RegisterServiceWorker / UnregisterServiceWorker handler above.
+// RegisterServiceWorker / UnregisterServiceWorker / GetRegistration
+// handler above.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_ServiceWorkerRegistrationError,
                      int /* thread_id */,
                      int /* request_id */,