service worker: navigation preload basic setters/getters and flag

content/child/service_worker/web_service_worker_impl.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_
 #define CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 34 matching lines @@
 
   // blink::WebServiceWorker overrides.
   void setProxy(blink::WebServiceWorkerProxy* proxy) override;
   blink::WebServiceWorkerProxy* proxy() override;
   blink::WebURL url() const override;
   blink::WebServiceWorkerState state() const override;
   void postMessage(blink::WebServiceWorkerProvider* provider,
                    const blink::WebString& message,
                    const blink::WebSecurityOrigin& source_origin,
                    blink::WebMessagePortChannelArray* channels) override;
+  void setNavigationPreload(const blink::WebString& value,
+                            WebSetNavigationPreloadCallbacks*) override;
+  void getNavigationPreload(WebGetNavigationPreloadCallbacks*) override;
   void terminate() override;
 
   // Creates WebServiceWorker::Handle object that owns a reference to the given
   // WebServiceWorkerImpl object.
   static std::unique_ptr<blink::WebServiceWorker::Handle> CreateHandle(
       const scoped_refptr<WebServiceWorkerImpl>& worker);
 
  private:
   friend class base::RefCounted<WebServiceWorkerImpl>;
   ~WebServiceWorkerImpl() override;
 
   std::unique_ptr<ServiceWorkerHandleReference> handle_ref_;
   blink::WebServiceWorkerState state_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   blink::WebServiceWorkerProxy* proxy_;
 
   DISALLOW_COPY_AND_ASSIGN(WebServiceWorkerImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_WEB_SERVICE_WORKER_IMPL_H_