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

chrome/browser/extensions/webstore_installer.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_WEBSTORE_INSTALLER_H_
 #define CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALLER_H_
 
 #include <list>
 #include <string>
 
@@ skipping 99 matching lines @@
     // prompt if the actual manifest from the extension to be installed matches
     // |parsed_manifest|. The |strict_manifest_check| controls whether we want
     // to require an exact manifest match, or are willing to tolerate a looser
     // check just that the effective permissions are the same.
     static scoped_ptr<Approval> CreateWithNoInstallPrompt(
         Profile* profile,
         const std::string& extension_id,
         scoped_ptr<base::DictionaryValue> parsed_manifest,
         bool strict_manifest_check);
 
-    virtual ~Approval();
+    ~Approval() override;
 
     // The extension id that was approved for installation.
     std::string extension_id;
 
     // The profile the extension should be installed into.
     Profile* profile;
 
     // The expected manifest, before localization.
     scoped_ptr<Manifest> manifest;
 
@@ skipping 56 matching lines @@
                     Delegate* delegate,
                     content::WebContents* web_contents,
                     const std::string& id,
                     scoped_ptr<Approval> approval,
                     InstallSource source);
 
   // Starts downloading and installing the extension.
   void Start();
 
   // content::NotificationObserver.
-  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;
 
   // ExtensionRegistryObserver.
-  virtual void OnExtensionInstalled(content::BrowserContext* browser_context,
-                                    const Extension* extension,
-                                    bool is_update) override;
+  void OnExtensionInstalled(content::BrowserContext* browser_context,
+                            const Extension* extension,
+                            bool is_update) override;
 
   // Removes the reference to the delegate passed in the constructor. Used when
   // the delegate object must be deleted before this object.
   void InvalidateDelegate();
 
   // Instead of using the default download directory, use |directory| instead.
   // This does *not* transfer ownership of |directory|.
   static void SetDownloadDirectoryForTests(base::FilePath* directory);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(WebstoreInstallerTest, PlatformParams);
   friend struct content::BrowserThread::DeleteOnThread<
    content::BrowserThread::UI>;
   friend class base::DeleteHelper<WebstoreInstaller>;
-  virtual ~WebstoreInstaller();
+  ~WebstoreInstaller() override;
 
   // Helper to get install URL.
   static GURL GetWebstoreInstallURL(const std::string& extension_id,
                                     InstallSource source);
 
   // DownloadManager::DownloadUrl callback.
   void OnDownloadStarted(content::DownloadItem* item,
                          content::DownloadInterruptReason interrupt_reason);
 
   // DownloadItem::Observer implementation:
-  virtual void OnDownloadUpdated(content::DownloadItem* download) override;
-  virtual void OnDownloadDestroyed(content::DownloadItem* download) override;
+  void OnDownloadUpdated(content::DownloadItem* download) override;
+  void OnDownloadDestroyed(content::DownloadItem* download) override;
 
   // Downloads next pending module in |pending_modules_|.
   void DownloadNextPendingModule();
 
   // Downloads and installs a single Crx with the given |extension_id|.
   // This function is used for both the extension Crx and dependences.
   void DownloadCrx(const std::string& extension_id, InstallSource source);
 
   // Starts downloading the extension to |file_path|.
   void StartDownload(const base::FilePath& file_path);
@@ skipping 38 matching lines @@
   std::list<SharedModuleInfo::ImportInfo> pending_modules_;
   // Total extension modules we need download and install (the main module and
   // depedences).
   int total_modules_;
   bool download_started_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_WEBSTORE_INSTALLER_H_