ServiceWorker: Support navigator.serviceWorker.active

content/browser/service_worker/service_worker_provider_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_PROVIDER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_
 
 #include <set>
 #include <vector>
 
@@ skipping 60 matching lines @@
   // loads for.
   ServiceWorkerVersion* running_hosted_version() const {
     return running_hosted_version_.get();
   }
 
   void SetDocumentUrl(const GURL& url);
   const GURL& document_url() const { return document_url_; }
 
   // Associates |version| to the corresponding field or if |version| is NULL
   // clears the field.
+  void SetControllerVersion(ServiceWorkerVersion* version);
   void SetActiveVersion(ServiceWorkerVersion* version);
   void SetWaitingVersion(ServiceWorkerVersion* version);
   void SetInstallingVersion(ServiceWorkerVersion* version);
 
   // If |version| is the installing, waiting, or active version of this
   // provider, the method will reset that field to NULL.
   void UnsetVersion(ServiceWorkerVersion* version);
 
   // Returns false if the version is not in the expected STARTING in our
   // process state. That would be indicative of a bad IPC message.
@@ skipping 19 matching lines @@
  private:
   // Creates a ServiceWorkerHandle to retain |version| and returns a
   // ServiceWorkerInfo with the handle ID to pass to the provider. The
   // provider is responsible for releasing the handle.
   ServiceWorkerObjectInfo CreateHandleAndPass(ServiceWorkerVersion* version);
 
   const int process_id_;
   const int provider_id_;
   GURL document_url_;
 
-  // TODO(michaeln): controlling_version_ is not used yet.
   scoped_refptr<ServiceWorkerVersion> controlling_version_;
   scoped_refptr<ServiceWorkerVersion> active_version_;
   scoped_refptr<ServiceWorkerVersion> waiting_version_;
   scoped_refptr<ServiceWorkerVersion> installing_version_;
   scoped_refptr<ServiceWorkerVersion> running_hosted_version_;
   base::WeakPtr<ServiceWorkerContextCore> context_;
   ServiceWorkerDispatcherHost* dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_HOST_H_