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 9c75a89adc69a100d04743a1cef46d63db260c93..d827315901340f263f13353a4551e1b63396c0b6 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -107,9 +107,18 @@ IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerObjectInfo)
   IPC_STRUCT_TRAITS_MEMBER(version_id)
 IPC_STRUCT_TRAITS_END()
 
+IPC_ENUM_TRAITS_MAX_VALUE(
+    content::ServiceWorkerRegistrationOptions::UseCache,
+    content::ServiceWorkerRegistrationOptions::UseCache::Last)
+
+IPC_STRUCT_TRAITS_BEGIN(content::ServiceWorkerRegistrationOptions)
+  IPC_STRUCT_TRAITS_MEMBER(scope)
+  IPC_STRUCT_TRAITS_MEMBER(use_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()
 
@@ -153,8 +162,8 @@ 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 */,