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

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/serviceworkers/ServiceWorkerLinkResource.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/V8BindingForCore.h"
 #include "core/dom/Document.h"
 #include "core/frame/DOMWindow.h"
@@ skipping 35 matching lines @@
         ->TimerTaskRunner()
         ->PostTask(BLINK_FROM_HERE,
                    WTF::Bind(&LinkLoaderClient::LinkLoadingErrored, client_));
   }
 
  private:
   WTF_MAKE_NONCOPYABLE(RegistrationCallback);
 
   Persistent<LinkLoaderClient> client_;
 };
-}
+}  // namespace
 
 ServiceWorkerLinkResource* ServiceWorkerLinkResource::Create(
     HTMLLinkElement* owner) {
   return new ServiceWorkerLinkResource(owner);
 }
 
 ServiceWorkerLinkResource::~ServiceWorkerLinkResource() {}
 
 void ServiceWorkerLinkResource::Process() {
   if (!owner_ || !owner_->GetDocument().GetFrame())
     return;
 
   if (!owner_->ShouldLoadLink())
     return;
 
   Document& document = owner_->GetDocument();
 
   KURL script_url = owner_->Href();
 
   String scope = owner_->Scope();
   KURL scope_url;
   if (scope.IsNull())
     scope_url = KURL(script_url, "./");
   else
     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()),
       *document.GetFrame()->DomWindow()->navigator(), error_message);
 
   if (!container) {
     document.AddConsoleMessage(ConsoleMessage::Create(
         kJSMessageSource, kErrorMessageLevel,
         "Cannot register service worker with <link> element. " +
             error_message));
     WTF::MakeUnique<RegistrationCallback>(owner_)->OnError(
         WebServiceWorkerError(WebServiceWorkerError::kErrorTypeSecurity,
                               error_message));
     return;
   }
 
   container->RegisterServiceWorkerImpl(
-      &document, script_url, scope_url,
+      &document, script_url, scope_url, update_via_cache,
       WTF::MakeUnique<RegistrationCallback>(owner_));
 }
 
 bool ServiceWorkerLinkResource::HasLoaded() const {
   return false;
 }
 
 void ServiceWorkerLinkResource::OwnerRemoved() {
   Process();
 }
 
 ServiceWorkerLinkResource::ServiceWorkerLinkResource(HTMLLinkElement* owner)
     : LinkResource(owner) {}
 
 }  // namespace blink