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

chrome/browser/content_settings/content_settings_pref_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_PREF_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_PREF_PROVIDER_H_
 
 // A content settings provider that takes its settings out of the pref service.
 
 #include <vector>
@@ skipping 18 matching lines @@
 
 namespace content_settings {
 
 // Content settings provider that provides content settings from the user
 // preference.
 class PrefProvider : public ObservableProvider {
  public:
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   PrefProvider(PrefService* prefs, bool incognito);
-  virtual ~PrefProvider();
+  ~PrefProvider() override;
 
   // ProviderInterface implementations.
-  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;
 
   // Records the last time the given pattern has used a certain content setting.
   void UpdateLastUsage(const ContentSettingsPattern& primary_pattern,
                        const ContentSettingsPattern& secondary_pattern,
                        ContentSettingsType content_type);
 
   base::Time GetLastUsage(const ContentSettingsPattern& primary_pattern,
                           const ContentSettingsPattern& secondary_pattern,
                           ContentSettingsType content_type);
 
@@ skipping 52 matching lines @@
 
   // Used around accesses to the value map objects to guarantee thread safety.
   mutable base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_PREF_PROVIDER_H_