service worker: navigation preload basic setters/getters and flag

content/browser/service_worker/service_worker_dispatcher_host.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 96 matching lines @@
                                  int provider_id,
                                  int64_t registration_id);
   void OnGetRegistration(int thread_id,
                          int request_id,
                          int provider_id,
                          const GURL& document_url);
   void OnGetRegistrations(int thread_id, int request_id, int provider_id);
   void OnGetRegistrationForReady(int thread_id,
                                  int request_id,
                                  int provider_id);
+  void OnSetNavigationPreload(int thread_id,
+                              int request_id,
+                              int handle_id,
+                              const std::string& value);
+  void OnGetNavigationPreload(int thread_id, int request_id, int handle_id);
   void OnProviderCreated(int provider_id,
                          int route_id,
                          ServiceWorkerProviderType provider_type,
                          bool is_parent_frame_secure);
   void OnProviderDestroyed(int provider_id);
   void OnSetHostedVersionId(int provider_id,
                             int64_t version_id,
                             int embedded_worker_id);
   void OnWorkerReadyForInspection(int embedded_worker_id);
   void OnWorkerScriptLoaded(int embedded_worker_id);
@@ skipping 115 matching lines @@
 
   bool channel_ready_;  // True after BrowserMessageFilter::sender_ != NULL.
   std::vector<std::unique_ptr<IPC::Message>> pending_messages_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_