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

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp

Index: third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp
index a929ba7240f0da7f31622272edcb7a45c0b04e34..ce17df0f892560222d01c681e02d04e12e751002 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerLinkResource.cpp
@@ -53,7 +53,7 @@ class RegistrationCallback
 
   Persistent<LinkLoaderClient> client_;
 };
-}
+}  // namespace
 
 ServiceWorkerLinkResource* ServiceWorkerLinkResource::Create(
     HTMLLinkElement* owner) {
@@ -81,6 +81,8 @@ void ServiceWorkerLinkResource::Process() {
     scope_url = document.CompleteURL(scope);
   scope_url.RemoveFragmentIdentifier();
 
+  WebServiceWorkerUpdateViaCache update_via_cache = owner_->UpdateViaCache();
+
   String error_message;
   ServiceWorkerContainer* container = NavigatorServiceWorker::serviceWorker(
       ToScriptStateForMainWorld(owner_->GetDocument().GetFrame()),
@@ -98,7 +100,7 @@ void ServiceWorkerLinkResource::Process() {
   }
 
   container->RegisterServiceWorkerImpl(
-      &document, script_url, scope_url,
+      &document, script_url, scope_url, update_via_cache,
       WTF::MakeUnique<RegistrationCallback>(owner_));
 }