Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/chrome_component_extension_resource_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 CHROME_BROWSER_EXTENSIONS_CHROME_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_
 #define CHROME_BROWSER_EXTENSIONS_CHROME_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "extensions/browser/component_extension_resource_manager.h"
 
 struct GritResourceMap;
 
 namespace extensions {
 
 class ChromeComponentExtensionResourceManager
     : public ComponentExtensionResourceManager {
  public:
   ChromeComponentExtensionResourceManager();
-  virtual ~ChromeComponentExtensionResourceManager();
+  ~ChromeComponentExtensionResourceManager() override;
 
   // Overridden from ComponentExtensionResourceManager:
-  virtual bool IsComponentExtensionResource(
-    const base::FilePath& extension_path,
-    const base::FilePath& resource_path,
-    int* resource_id) override;
+  bool IsComponentExtensionResource(const base::FilePath& extension_path,
+                                    const base::FilePath& resource_path,
+                                    int* resource_id) override;
 
  private:
   void AddComponentResourceEntries(const GritResourceMap* entries, size_t size);
 
   // A map from a resource path to the resource ID.  Used by
   // IsComponentExtensionResource.
   std::map<base::FilePath, int> path_to_resource_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeComponentExtensionResourceManager);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_CHROME_COMPONENT_EXTENSION_RESOURCE_MANAGER_H_