Implement updateViaCache flag and no-cache by default for main service worker scripts

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 c11a94ba9ff733a6506ff3a6cb8749220a8e352b..61301808301987eb69fb7263f1dbe0dc54887fdb 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -47,6 +47,9 @@ IPC_ENUM_TRAITS_MAX_VALUE(blink::WebServiceWorkerResponseError,
 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebServiceWorkerClientType,
                           blink::kWebServiceWorkerClientTypeLast)
 
+IPC_ENUM_TRAITS_MAX_VALUE(blink::WebServiceWorkerUpdateViaCache,
+                          blink::WebServiceWorkerUpdateViaCache::kLast)
+
 IPC_ENUM_TRAITS_MAX_VALUE(content::ServiceWorkerProviderType,
                           content::SERVICE_WORKER_PROVIDER_TYPE_LAST)
 
@@ -106,9 +109,14 @@ IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerObjectInfo)
   IPC_STRUCT_TRAITS_MEMBER(version_id)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerRegistrationOptions)
+  IPC_STRUCT_TRAITS_MEMBER(scope)
+  IPC_STRUCT_TRAITS_MEMBER(update_via_cache)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerRegistrationObjectInfo)
   IPC_STRUCT_TRAITS_MEMBER(handle_id)
-  IPC_STRUCT_TRAITS_MEMBER(scope)
+  IPC_STRUCT_TRAITS_MEMBER(options)
   IPC_STRUCT_TRAITS_MEMBER(registration_id)
 IPC_STRUCT_TRAITS_END()
 
@@ -152,8 +160,8 @@ IPC_MESSAGE_CONTROL5(ServiceWorkerHostMsg_RegisterServiceWorker,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */,
-                     GURL /* scope */,
-                     GURL /* script_url */)
+                     GURL /* script_url */,
+                     content::ServiceWorkerRegistrationOptions)
 
 IPC_MESSAGE_CONTROL4(ServiceWorkerHostMsg_UpdateServiceWorker,
                      int /* thread_id */,