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

chrome/browser/content_settings/host_content_settings_map.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.
 
 // Maps hostnames to custom content settings.  Written on the UI thread and read
 // on any thread.  One instance per profile.
 
 #ifndef CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_
 
@@ skipping 175 matching lines @@
   // Returns true if the values for content type are of type dictionary/map.
   static bool ContentTypeHasCompoundValue(ContentSettingsType type);
 
   // Detaches the HostContentSettingsMap from all Profile-related objects like
   // PrefService. This methods needs to be called before destroying the Profile.
   // Afterwards, none of the methods above that should only be called on the UI
   // thread should be called anymore.
   void ShutdownOnUIThread();
 
   // content_settings::Observer implementation.
-  virtual void OnContentSettingChanged(
-      const ContentSettingsPattern& primary_pattern,
-      const ContentSettingsPattern& secondary_pattern,
-      ContentSettingsType content_type,
-      std::string resource_identifier) override;
+  void OnContentSettingChanged(const ContentSettingsPattern& primary_pattern,
+                               const ContentSettingsPattern& secondary_pattern,
+                               ContentSettingsType content_type,
+                               std::string resource_identifier) override;
 
   // Returns true if we should allow all content types for this URL.  This is
   // true for various internal objects like chrome:// URLs, so UI and other
   // things users think of as "not webpages" don't break.
   static bool ShouldAllowAllContent(const GURL& primary_url,
                                     const GURL& secondary_url,
                                     ContentSettingsType content_type);
 
   // Returns the ProviderType associated with the given source string.
   // TODO(estade): I regret adding this. At the moment there are no legitimate
@@ skipping 75 matching lines @@
 
  private:
   friend class base::RefCountedThreadSafe<HostContentSettingsMap>;
   friend class HostContentSettingsMapTest_NonDefaultSettings_Test;
 
   typedef std::map<ProviderType, content_settings::ProviderInterface*>
       ProviderMap;
   typedef ProviderMap::iterator ProviderIterator;
   typedef ProviderMap::const_iterator ConstProviderIterator;
 
-  virtual ~HostContentSettingsMap();
+  ~HostContentSettingsMap() override;
 
   ContentSetting GetDefaultContentSettingFromProvider(
       ContentSettingsType content_type,
       content_settings::ProviderInterface* provider) const;
 
   // Migrate the Clear on exit pref into equivalent content settings.
   void MigrateObsoleteClearOnExitPref();
 
   // Adds content settings for |content_type| and |resource_identifier|,
   // provided by |provider|, into |settings|. If |incognito| is true, adds only
@@ skipping 46 matching lines @@
   // time and by RegisterExtensionService, both of which should happen
   // before any other uses of it.
   ProviderMap content_settings_providers_;
 
   ObserverList<content_settings::Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(HostContentSettingsMap);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_HOST_CONTENT_SETTINGS_MAP_H_