Standardize usage of virtual/override/final in extensions/

extensions/browser/content_verifier.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 EXTENSIONS_BROWSER_CONTENT_VERIFIER_H_
 #define EXTENSIONS_BROWSER_CONTENT_VERIFIER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 37 matching lines @@
   ContentVerifyJob* CreateJobFor(const std::string& extension_id,
                                  const base::FilePath& extension_root,
                                  const base::FilePath& relative_path);
 
   // Called (typically by a verification job) to indicate that verification
   // failed while reading some file in |extension_id|.
   void VerifyFailed(const std::string& extension_id,
                     ContentVerifyJob::FailureReason reason);
 
   // ExtensionRegistryObserver interface
-  virtual void OnExtensionLoaded(content::BrowserContext* browser_context,
-                                 const Extension* extension) override;
-  virtual void OnExtensionUnloaded(
-      content::BrowserContext* browser_context,
-      const Extension* extension,
-      UnloadedExtensionInfo::Reason reason) override;
+  void OnExtensionLoaded(content::BrowserContext* browser_context,
+                         const Extension* extension) override;
+  void OnExtensionUnloaded(content::BrowserContext* browser_context,
+                           const Extension* extension,
+                           UnloadedExtensionInfo::Reason reason) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentVerifier);
 
   friend class base::RefCountedThreadSafe<ContentVerifier>;
-  virtual ~ContentVerifier();
+  ~ContentVerifier() override;
 
   void OnFetchComplete(const std::string& extension_id,
                        bool success,
                        bool was_force_check,
                        const std::set<base::FilePath>& hash_mismatch_paths);
 
   void OnFetchCompleteHelper(const std::string& extension_id,
                              bool shouldVerifyAnyPathsResult);
 
   // Returns true if any of the paths in |relative_paths| *should* have their
@@ skipping 17 matching lines @@
   // For observing the ExtensionRegistry.
   ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver> observer_;
 
   // Data that should only be used on the IO thread.
   scoped_refptr<ContentVerifierIOData> io_data_;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_CONTENT_VERIFIER_H_