Introduce chrome://flags/#network-prediction-options-for-service-worker

content/browser/service_worker/service_worker_context_wrapper.h

Index: content/browser/service_worker/service_worker_context_wrapper.h
diff --git a/content/browser/service_worker/service_worker_context_wrapper.h b/content/browser/service_worker/service_worker_context_wrapper.h
index 599c157346d86f351ffcf5ea9d332a6c30cbe422..ade1967f1a99a0c50863964ca5134c31b0823dce 100644
--- a/content/browser/service_worker/service_worker_context_wrapper.h
+++ b/content/browser/service_worker/service_worker_context_wrapper.h
@@ -110,6 +110,10 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
                                const std::string& request_uuid) override;
   bool FinishedExternalRequest(int64_t service_worker_version_id,
                                const std::string& request_uuid) override;
+  void StartServiceWorkerForNavigationPreconnect(
+      const GURL& document_url,
+      RenderProcessHost* host,
+      const ResultCallback& callback) override;
 
   // These methods must only be called from the IO thread.
   ServiceWorkerRegistration* GetLiveRegistration(int64_t registration_id);
@@ -279,6 +283,23 @@ class CONTENT_EXPORT ServiceWorkerContextWrapper
       ServiceWorkerStatusCode status,
       scoped_refptr<content::ServiceWorkerRegistration> registration);
 
+  void DidCheckRenderProcessForNavigationPreconnect(
+      const GURL& document_url,
+      int render_process_id,
+      const ResultCallback& callback);
+
+  void DidFindRegistrationForNavigationPreconnect(
+      int render_process_id,
+      const ResultCallback& callback,
+      ServiceWorkerStatusCode status,
+      scoped_refptr<ServiceWorkerRegistration> registration);
+
+  void DidStartServiceWorkerForNavigationPreconnect(
+      const GURL& pattern,
+      int render_process_id,
+      const ResultCallback& callback,
+      ServiceWorkerStatusCode code);
+
   // The core context is only for use on the IO thread.
   // Can be null before/during init, during/after shutdown, and after
   // DeleteAndStartOver fails.