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

chrome/browser/content_settings/content_settings_override_provider.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_CONTENT_SETTINGS_CONTENT_SETTINGS_OVERRIDE_PROVIDER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_OVERRIDE_PROVIDER_H_
 
 #include "base/macros.h"
 #include "base/synchronization/lock.h"
 #include "components/content_settings/core/browser/content_settings_provider.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 
 class ContentSettingsPattern;
 class PrefService;
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }
 
 namespace content_settings {
 
 // OverrideProvider contains if certain content settings are enabled or
 // globally disabled. It may only be written to using the UI thread, but may be
 // read on any thread.
 class OverrideProvider : public ProviderInterface {
  public:
   static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
   OverrideProvider(PrefService* prefs, bool incognito);
-  virtual ~OverrideProvider();
+  ~OverrideProvider() 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 void ClearAllContentSettingsRules(
-      ContentSettingsType content_type) override;
+  void ClearAllContentSettingsRules(ContentSettingsType content_type) 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 ShutdownOnUIThread() override;
+  void ShutdownOnUIThread() override;
 
   // Sets if a given |content_type| is |enabled|.
   void SetOverrideSetting(ContentSettingsType content_type, bool enabled);
 
   // Returns if |content_type| is enabled. If it is not enabled, the content
   // setting type is considered globally disabled and acts as though it is
   // blocked. If it is enabled, the content setting type's permission is granted
   // by the other providers.
   bool IsEnabled(ContentSettingsType content_type) const;
 
@@ skipping 11 matching lines @@
   // Used around accesses to the |override_content_settings_| object to
   // guarantee thread safety.
   mutable base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(OverrideProvider);
 };
 
 }  // namespace content_settings
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_OVERRIDE_PROVIDER_H_