service worker: Implement NavigationPreloadManager.setHeaderValue

content/browser/service_worker/service_worker_fetch_dispatcher.cc

 // Copyright 2014 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 "content/browser/service_worker/service_worker_fetch_dispatcher.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 267 matching lines @@
   fetch_callback.Run(status, fetch_result, response, version);
 }
 
 void ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload(
     net::URLRequest* original_request,
     const MojoURLLoaderFactoryGetter& url_loader_factory_getter) {
   if (resource_type_ != RESOURCE_TYPE_MAIN_FRAME &&
       resource_type_ != RESOURCE_TYPE_SUB_FRAME) {
     return;
   }
-  if (!version_->navigation_preload_enabled())
+  if (!version_->navigation_preload_state().enabled)
     return;
   // TODO(horo): Currently NavigationPreload doesn't support request body.
   if (!request_->blob_uuid.empty())
     return;
   if (!base::FeatureList::IsEnabled(
           features::kServiceWorkerNavigationPreload)) {
     // TODO(horo): Check |version_|'s origin_trial_tokens() here if we use
     // Origin-Trial for NavigationPreload.
     return;
   }
@@ skipping 41 matching lines @@
 }
 
 ServiceWorkerMetrics::EventType ServiceWorkerFetchDispatcher::GetEventType()
     const {
   if (request_->fetch_type == ServiceWorkerFetchType::FOREIGN_FETCH)
     return ServiceWorkerMetrics::EventType::FOREIGN_FETCH;
   return ResourceTypeToEventType(resource_type_);
 }
 
 }  // namespace content