Update {virtual,override,final} to follow C++11 style chrome/browser/ui/webui/chromeos.

chrome/browser/ui/webui/chromeos/drive_internals_ui.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/chromeos/drive_internals_ui.h"
 
 #include "base/bind.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_util.h"
 #include "base/format_macros.h"
@@ skipping 192 matching lines @@
 }
 
 // Class to handle messages from chrome://drive-internals.
 class DriveInternalsWebUIHandler : public content::WebUIMessageHandler {
  public:
   DriveInternalsWebUIHandler()
       : last_sent_event_id_(-1),
         weak_ptr_factory_(this) {
   }
 
-  virtual ~DriveInternalsWebUIHandler() {
-  }
+  ~DriveInternalsWebUIHandler() override {}
 
  private:
   // WebUIMessageHandler override.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // Returns a DriveIntegrationService.
   drive::DriveIntegrationService* GetIntegrationService();
 
   // Returns a DriveService instance.
   drive::DriveServiceInterface* GetDriveService();
 
   // Returns a DebugInfoCollector instance.
   drive::DebugInfoCollector* GetDebugInfoCollector();
 
@@ skipping 665 matching lines @@
       content::WebUIDataSource::Create(chrome::kChromeUIDriveInternalsHost);
   source->AddResourcePath("drive_internals.css", IDR_DRIVE_INTERNALS_CSS);
   source->AddResourcePath("drive_internals.js", IDR_DRIVE_INTERNALS_JS);
   source->SetDefaultResource(IDR_DRIVE_INTERNALS_HTML);
 
   Profile* profile = Profile::FromWebUI(web_ui);
   content::WebUIDataSource::Add(profile, source);
 }
 
 }  // namespace chromeos