Standardize usage of virtual/override/final specifiers.

components/keyed_service/content/browser_context_dependency_manager.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 COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_
 #define COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_
 
 #include "base/callback_forward.h"
 #include "base/callback_list.h"
 #include "components/keyed_service/core/dependency_manager.h"
@@ skipping 69 matching lines @@
 
  private:
   friend class BrowserContextDependencyManagerUnittests;
   friend struct DefaultSingletonTraits<BrowserContextDependencyManager>;
 
   // Helper function used by CreateBrowserContextServices[ForTest].
   void DoCreateBrowserContextServices(content::BrowserContext* context,
                                       bool is_testing_context);
 
   BrowserContextDependencyManager();
-  virtual ~BrowserContextDependencyManager();
+  ~BrowserContextDependencyManager() override;
 
 #ifndef NDEBUG
   // DependencyManager:
-  virtual void DumpContextDependencies(
+  void DumpContextDependencies(
       const base::SupportsUserData* context) const final;
 #endif  // NDEBUG
 
   // A list of callbacks to call just before executing
   // CreateBrowserContextServices() or CreateBrowserContextServicesForTest().
   base::CallbackList<void(content::BrowserContext*)>
       will_create_browser_context_services_callbacks_;
 };
 
 #endif  // COMPONENTS_KEYED_SERVICE_CONTENT_BROWSER_CONTEXT_DEPENDENCY_MANAGER_H_