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

chrome/browser/ui/webui/extensions/extension_loader_handler.cc

 // 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.
 
 #include "chrome/browser/ui/webui/extensions/extension_loader_handler.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
@@ skipping 33 matching lines @@
   base::ReadFileToString(path, &data);
   return data;
 }
 
 }  // namespace
 
 class ExtensionLoaderHandler::FileHelper
     : public ui::SelectFileDialog::Listener {
  public:
   explicit FileHelper(ExtensionLoaderHandler* loader_handler);
-  virtual ~FileHelper();
+  ~FileHelper() override;
 
   // Create a FileDialog for the user to select the unpacked extension
   // directory.
   void ChooseFile();
 
  private:
   // ui::SelectFileDialog::Listener implementation.
-  virtual void FileSelected(const base::FilePath& path,
-                            int index,
-                            void* params) override;
-  virtual void MultiFilesSelected(
-      const std::vector<base::FilePath>& files, void* params) override;
+  void FileSelected(const base::FilePath& path,
+                    int index,
+                    void* params) override;
+  void MultiFilesSelected(const std::vector<base::FilePath>& files,
+                          void* params) override;
 
   // The associated ExtensionLoaderHandler. Weak, but guaranteed to be alive,
   // as it owns this object.
   ExtensionLoaderHandler* loader_handler_;
 
   // The dialog used to pick a directory when loading an unpacked extension.
   scoped_refptr<ui::SelectFileDialog> load_extension_dialog_;
 
   // The last selected directory, so we can start in the same spot.
   base::FilePath last_unpacked_directory_;
@@ skipping 237 matching lines @@
 }
 
 void ExtensionLoaderHandler::NotifyFrontendOfFailure() {
   web_ui()->CallJavascriptFunction(
       "extensions.ExtensionLoader.notifyLoadFailed",
       failures_);
   failures_.Clear();
 }
 
 }  // namespace extensions