service worker: Implement NavigationPreloadManager.getState

content/browser/service_worker/service_worker_dispatcher_host.h

Index: content/browser/service_worker/service_worker_dispatcher_host.h
diff --git a/content/browser/service_worker/service_worker_dispatcher_host.h b/content/browser/service_worker/service_worker_dispatcher_host.h
index 8b30dcf030d879e0bc8eb0b49a91bd8079b30c75..3408e04b731d66800033fd51d1487c57f27d56c8 100644
--- a/content/browser/service_worker/service_worker_dispatcher_host.h
+++ b/content/browser/service_worker/service_worker_dispatcher_host.h
@@ -139,6 +139,10 @@ class CONTENT_EXPORT ServiceWorkerDispatcherHost
                                  int provider_id,
                                  int64_t registration_id,
                                  bool enable);
+  void OnGetNavigationPreloadState(int thread_id,
+                                   int request_id,
+                                   int provider_id,
+                                   int64_t registration_id);
   void OnProviderDestroyed(int provider_id);
   void OnSetHostedVersionId(int provider_id,
                             int64_t version_id,