Start of Chrome-side plumbing for ServiceWorker fetch

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 858651145b3e387a8cfa5e80298ff9c4a45e477e..0081d9788b511817add5ab25dce51be28d593be2 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -26,6 +26,13 @@ IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerFetchRequest)
   IPC_STRUCT_TRAITS_MEMBER(headers)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerFetchResponse)
+  IPC_STRUCT_TRAITS_MEMBER(status_code)
+  IPC_STRUCT_TRAITS_MEMBER(status_text)
+  IPC_STRUCT_TRAITS_MEMBER(method)
+  IPC_STRUCT_TRAITS_MEMBER(headers)
+IPC_STRUCT_TRAITS_END()
+
 // Messages sent from the child process to the browser.
 
 IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_RegisterServiceWorker,
@@ -82,3 +89,7 @@ IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_ProviderDestroyed,
 // event handling it'll be reported back separately (to be propagated
 // to the documents).
 IPC_MESSAGE_CONTROL0(ServiceWorkerHostMsg_InstallEventFinished)
+
+  // Informs the browser that fetch event handling has finished.
+IPC_MESSAGE_CONTROL1(ServiceWorkerHostMsg_FetchEventFinished,
+                     content::ServiceWorkerFetchResponse)