ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope

content/child/service_worker/service_worker_provider_context.h

 // Copyright 2014 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_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 #define CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_
 
 #include <memory>
 #include <set>
 #include <vector>
@@ skipping 40 matching lines @@
                                ThreadSafeSender* thread_safe_sender);
 
   // Called from ServiceWorkerDispatcher.
   void OnAssociateRegistration(
       std::unique_ptr<ServiceWorkerRegistrationHandleReference> registration,
       std::unique_ptr<ServiceWorkerHandleReference> installing,
       std::unique_ptr<ServiceWorkerHandleReference> waiting,
       std::unique_ptr<ServiceWorkerHandleReference> active);
   void OnDisassociateRegistration();
   void OnSetControllerServiceWorker(
-      std::unique_ptr<ServiceWorkerHandleReference> controller);
+      std::unique_ptr<ServiceWorkerHandleReference> controller,
+      const std::set<uint32_t>& used_features);
 
   // Called on the worker thread. Used for initializing
   // ServiceWorkerGlobalScope.
   void GetAssociatedRegistration(ServiceWorkerRegistrationObjectInfo* info,
                                  ServiceWorkerVersionAttributes* attrs);
 
   // May be called on the main or worker thread.
   bool HasAssociatedRegistration();
 
   int provider_id() const { return provider_id_; }
 
   ServiceWorkerHandleReference* controller();
+  const std::set<uint32_t>& used_features() const { return used_features_; }
 
  private:
   friend class base::DeleteHelper<ServiceWorkerProviderContext>;
   friend class base::RefCountedThreadSafe<ServiceWorkerProviderContext,
                                           ServiceWorkerProviderContextDeleter>;
   friend struct ServiceWorkerProviderContextDeleter;
 
   class Delegate;
   class ControlleeDelegate;
   class ControllerDelegate;
 
   ~ServiceWorkerProviderContext();
   void DestructOnMainThread() const;
 
   const int provider_id_;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_task_runner_;
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
   std::unique_ptr<Delegate> delegate_;
 
+  std::set<uint32_t> used_features_;
+
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerProviderContext);
 };
 
 struct ServiceWorkerProviderContextDeleter {
   static void Destruct(const ServiceWorkerProviderContext* context) {
     context->DestructOnMainThread();
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_SERVICE_WORKER_SERVICE_WORKER_PROVIDER_CONTEXT_H_