Standardize usage of virtual/override/final in content/browser/

content/browser/service_worker/service_worker_quota_client.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_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_
 
 #include "base/memory/ref_counted.h"
 #include "content/common/content_export.h"
 #include "storage/browser/quota/quota_client.h"
 #include "storage/common/quota/quota_types.h"
 
 namespace content {
 class ServiceWorkerContextWrapper;
 
 class ServiceWorkerQuotaClient : public storage::QuotaClient {
  public:
-  virtual ~ServiceWorkerQuotaClient();
+  ~ServiceWorkerQuotaClient() override;
 
   // QuotaClient method overrides
-  virtual ID id() const override;
-  virtual void OnQuotaManagerDestroyed() override;
-  virtual void GetOriginUsage(const GURL& origin,
-                              storage::StorageType type,
-                              const GetUsageCallback& callback) override;
-  virtual void GetOriginsForType(storage::StorageType type,
-                                 const GetOriginsCallback& callback) override;
-  virtual void GetOriginsForHost(storage::StorageType type,
-                                 const std::string& host,
-                                 const GetOriginsCallback& callback) override;
-  virtual void DeleteOriginData(const GURL& origin,
-                                storage::StorageType type,
-                                const DeletionCallback& callback) override;
-  virtual bool DoesSupport(storage::StorageType type) const override;
+  ID id() const override;
+  void OnQuotaManagerDestroyed() override;
+  void GetOriginUsage(const GURL& origin,
+                      storage::StorageType type,
+                      const GetUsageCallback& callback) override;
+  void GetOriginsForType(storage::StorageType type,
+                         const GetOriginsCallback& callback) override;
+  void GetOriginsForHost(storage::StorageType type,
+                         const std::string& host,
+                         const GetOriginsCallback& callback) override;
+  void DeleteOriginData(const GURL& origin,
+                        storage::StorageType type,
+                        const DeletionCallback& callback) override;
+  bool DoesSupport(storage::StorageType type) const override;
 
  private:
   friend class ServiceWorkerContextWrapper;
   friend class ServiceWorkerQuotaClientTest;
 
   CONTENT_EXPORT explicit ServiceWorkerQuotaClient(
       ServiceWorkerContextWrapper* context);
 
   scoped_refptr<ServiceWorkerContextWrapper> context_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerQuotaClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_QUOTA_CLIENT_H_