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

chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry.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_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_REGISTRY_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_REGISTRY_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 52 matching lines @@
                                    public content::NotificationObserver {
  public:
   // For testing, |ui_part| can be NULL. In that case it constructs the
   // registry with storage functionality suspended.
   ChromeContentRulesRegistry(content::BrowserContext* browser_context,
                              RulesCacheDelegate* cache_delegate);
 
   // ChromeContentRulesRegistry implementation:
   // Applies all content rules given an update (CSS match change or
   // page navigation, for now) from the renderer.
-  virtual void Apply(
-      content::WebContents* contents,
-      const std::vector<std::string>& matching_css_selectors) override;
+  void Apply(content::WebContents* contents,
+             const std::vector<std::string>& matching_css_selectors) override;
 
   // Applies all content rules given that a tab was just navigated.
-  virtual void DidNavigateMainFrame(
+  void DidNavigateMainFrame(
       content::WebContents* tab,
       const content::LoadCommittedDetails& details,
       const content::FrameNavigateParams& params) override;
 
   // Implementation of RulesRegistry:
-  virtual std::string AddRulesImpl(
+  std::string AddRulesImpl(
       const std::string& extension_id,
-      const std::vector<linked_ptr<RulesRegistry::Rule> >& rules) override;
-  virtual std::string RemoveRulesImpl(
+      const std::vector<linked_ptr<RulesRegistry::Rule>>& rules) override;
+  std::string RemoveRulesImpl(
       const std::string& extension_id,
       const std::vector<std::string>& rule_identifiers) override;
-  virtual std::string RemoveAllRulesImpl(
-      const std::string& extension_id) override;
+  std::string RemoveAllRulesImpl(const std::string& extension_id) 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;
 
   // Returns true if this object retains no allocated data. Only for debugging.
   bool IsEmpty() const;
 
  protected:
-  virtual ~ChromeContentRulesRegistry();
+  ~ChromeContentRulesRegistry() override;
 
   // Virtual for testing:
   virtual base::Time GetExtensionInstallationTime(
       const std::string& extension_id) const;
 
  private:
   friend class DeclarativeChromeContentRulesRegistryTest;
 
   std::set<ContentRule*> GetMatches(
       const RendererContentMatchData& renderer_data) const;
@@ skipping 32 matching lines @@
   content::NotificationRegistrar registrar_;
 
   scoped_refptr<InfoMap> extension_info_map_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeContentRulesRegistry);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DECLARATIVE_CONTENT_CHROME_CONTENT_RULES_REGISTRY_H_