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

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

 // 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.
 
 #include "chrome/browser/ui/webui/extensions/extension_settings_handler.h"
 
 #include "apps/app_load_service.h"
 #include "apps/saved_files_service.h"
 #include "base/auto_reset.h"
 #include "base/base64.h"
@@ skipping 122 matching lines @@
 // This class is designed to broker the message between the two objects, while
 // managing its own lifetime so that it can outlive the ExtensionSettingsHandler
 // and (when doing so) gracefully ignore the message from the dialog.
 class BrokerDelegate : public ExtensionInstallPrompt::Delegate {
  public:
   explicit BrokerDelegate(
       const base::WeakPtr<ExtensionSettingsHandler>& delegate)
       : delegate_(delegate) {}
 
   // ExtensionInstallPrompt::Delegate implementation.
-  virtual void InstallUIProceed() override {
+  void InstallUIProceed() override {
     if (delegate_)
       delegate_->InstallUIProceed();
     delete this;
   };
 
-  virtual void InstallUIAbort(bool user_initiated) override {
+  void InstallUIAbort(bool user_initiated) override {
     if (delegate_)
       delegate_->InstallUIAbort(user_initiated);
     delete this;
   };
 
  private:
   base::WeakPtr<ExtensionSettingsHandler> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(BrokerDelegate);
 };
@@ skipping 1339 matching lines @@
     extension_service_->EnableExtension(extension_id);
   } else {
     ExtensionErrorReporter::GetInstance()->ReportError(
         base::UTF8ToUTF16(JoinString(requirement_errors, ' ')),
         true);  // Be noisy.
   }
   requirements_checker_.reset();
 }
 
 }  // namespace extensions