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

chrome/browser/content_settings/content_settings_internal_extension_provider.h

 // Copyright (c) 2012 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_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "components/content_settings/core/browser/content_settings_observable_provider.h"
 #include "components/content_settings/core/browser/content_settings_origin_identifier_value_map.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class ExtensionService;
 
 namespace extensions {
 class Extension;
 }
 
 namespace content_settings {
 
 // A content settings provider which disables certain plugins for platform apps.
 class InternalExtensionProvider : public ObservableProvider,
                                   public content::NotificationObserver {
  public:
   explicit InternalExtensionProvider(ExtensionService* extension_service);
 
-  virtual ~InternalExtensionProvider();
+  ~InternalExtensionProvider() override;
 
   // ProviderInterface methods:
-  virtual RuleIterator* GetRuleIterator(
-      ContentSettingsType content_type,
-      const ResourceIdentifier& resource_identifier,
-      bool incognito) const override;
+  RuleIterator* GetRuleIterator(ContentSettingsType content_type,
+                                const ResourceIdentifier& resource_identifier,
+                                bool incognito) const override;
 
-  virtual bool SetWebsiteSetting(
-      const ContentSettingsPattern& primary_pattern,
-      const ContentSettingsPattern& secondary_pattern,
-      ContentSettingsType content_type,
-      const ResourceIdentifier& resource_identifier,
-      base::Value* value) override;
+  bool SetWebsiteSetting(const ContentSettingsPattern& primary_pattern,
+                         const ContentSettingsPattern& secondary_pattern,
+                         ContentSettingsType content_type,
+                         const ResourceIdentifier& resource_identifier,
+                         base::Value* value) override;
 
-  virtual void ClearAllContentSettingsRules(ContentSettingsType content_type)
-      override;
+  void ClearAllContentSettingsRules(ContentSettingsType content_type) override;
 
-  virtual void ShutdownOnUIThread() override;
+  void ShutdownOnUIThread() override;
 
   // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
+
  private:
   void SetContentSettingForExtension(const extensions::Extension* extension,
                                      ContentSetting setting);
   void SetContentSettingForExtensionAndResource(
       const extensions::Extension* extension,
       const ResourceIdentifier& resource,
       ContentSetting setting);
 
   OriginIdentifierValueMap value_map_;
 
   // Used around accesses to the |value_map_| list to guarantee thread safety.
   mutable base::Lock lock_;
   scoped_ptr<content::NotificationRegistrar> registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_