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

chrome/browser/chromeos/app_mode/kiosk_external_updater.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 CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_EXTERNAL_UPDATER_H_
 #define CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_EXTERNAL_UPDATER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 17 matching lines @@
     ERROR_NONE,
     ERROR_NO_MANIFEST,
     ERROR_INVALID_MANIFEST,
   };
 
   KioskExternalUpdater(
       const scoped_refptr<base::SequencedTaskRunner>& backend_task_runner,
       const base::FilePath& crx_cache_dir,
       const base::FilePath& crx_unpack_dir);
 
-  virtual ~KioskExternalUpdater();
+  ~KioskExternalUpdater() override;
 
  private:
   enum ExternalUpdateStatus {
     PENDING,
     SUCCESS,
     FAILED,
   };
   struct ExternalUpdate {
     ExternalUpdate();
 
     std::string app_name;
     base::FilePath external_crx;
     ExternalUpdateStatus update_status;
     base::string16 error;
   };
 
   // disks::DiskMountManager::Observer overrides.
-  virtual void OnDiskEvent(disks::DiskMountManager::DiskEvent event,
-                           const disks::DiskMountManager::Disk* disk) override;
-  virtual void OnDeviceEvent(disks::DiskMountManager::DeviceEvent event,
-                             const std::string& device_path) override;
-  virtual void OnMountEvent(
+  void OnDiskEvent(disks::DiskMountManager::DiskEvent event,
+                   const disks::DiskMountManager::Disk* disk) override;
+  void OnDeviceEvent(disks::DiskMountManager::DeviceEvent event,
+                     const std::string& device_path) override;
+  void OnMountEvent(
       disks::DiskMountManager::MountEvent event,
       MountError error_code,
       const disks::DiskMountManager::MountPointInfo& mount_info) override;
-  virtual void OnFormatEvent(disks::DiskMountManager::FormatEvent event,
-                             FormatError error_code,
-                             const std::string& device_path) override;
+  void OnFormatEvent(disks::DiskMountManager::FormatEvent event,
+                     FormatError error_code,
+                     const std::string& device_path) override;
 
   // KioskExternalUpdateValidatorDelegate overrides:
-  virtual void OnExtenalUpdateUnpackSuccess(
-      const std::string& app_id,
-      const std::string& version,
-      const std::string& min_browser_version,
-      const base::FilePath& temp_dir) override;
-  virtual void OnExternalUpdateUnpackFailure(
-      const std::string& app_id) override;
+  void OnExtenalUpdateUnpackSuccess(const std::string& app_id,
+                                    const std::string& version,
+                                    const std::string& min_browser_version,
+                                    const base::FilePath& temp_dir) override;
+  void OnExternalUpdateUnpackFailure(const std::string& app_id) override;
 
   // Processes the parsed external update manifest, check |parsing_error| for
   // any manifest parsing error.
   void ProcessParsedManifest(ExternalUpdateErrorCode* parsing_error,
                              const base::FilePath& external_update_dir,
                              base::DictionaryValue* parsed_manifest);
 
   // Returns true if |external_update_| is interrupted before the updating
   // completes.
   bool CheckExternalUpdateInterrupted();
@@ skipping 59 matching lines @@
   scoped_ptr<KioskExternalUpdateNotification> notification_;
 
   base::WeakPtrFactory<KioskExternalUpdater> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(KioskExternalUpdater);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_APP_MODE_KIOSK_EXTERNAL_UPDATER_H_