Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/media_galleries/win/mtp_device_delegate_impl_win.h

 // Copyright (c) 2013 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_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_
 
 #include <queue>
 
 #include "base/callback.h"
@@ skipping 69 matching lines @@
     const base::Callback<void(base::File::Error)> reply;
   };
 
   // Defers the device initializations until the first file operation request.
   // Do all the initializations in EnsureInitAndRunTask() function.
   MTPDeviceDelegateImplWin(const base::string16& registered_device_path,
                            const base::string16& pnp_device_id,
                            const base::string16& storage_object_id);
 
   // Destructed via CancelPendingTasksAndDeleteDelegate().
-  virtual ~MTPDeviceDelegateImplWin();
+  ~MTPDeviceDelegateImplWin() override;
 
   // MTPDeviceAsyncDelegate:
-  virtual void GetFileInfo(const base::FilePath& file_path,
-                           const GetFileInfoSuccessCallback& success_callback,
-                           const ErrorCallback& error_callback) override;
-  virtual void CreateDirectory(
+  void GetFileInfo(const base::FilePath& file_path,
+                   const GetFileInfoSuccessCallback& success_callback,
+                   const ErrorCallback& error_callback) override;
+  void CreateDirectory(
       const base::FilePath& directory_path,
       const bool exclusive,
       const bool recursive,
       const CreateDirectorySuccessCallback& success_callback,
       const ErrorCallback& error_callback) override;
-  virtual void ReadDirectory(
+  void ReadDirectory(
       const base::FilePath& root,
       const ReadDirectorySuccessCallback& success_callback,
       const ErrorCallback& error_callback) override;
-  virtual void CreateSnapshotFile(
+  void CreateSnapshotFile(
       const base::FilePath& device_file_path,
       const base::FilePath& local_path,
       const CreateSnapshotFileSuccessCallback& success_callback,
       const ErrorCallback& error_callback) override;
-  virtual bool IsStreaming() override;
-  virtual void ReadBytes(const base::FilePath& device_file_path,
-                         const scoped_refptr<net::IOBuffer>& buf,
-                         int64 offset,
-                         int buf_len,
-                         const ReadBytesSuccessCallback& success_callback,
-                         const ErrorCallback& error_callback) override;
+  bool IsStreaming() override;
+  void ReadBytes(const base::FilePath& device_file_path,
+                 const scoped_refptr<net::IOBuffer>& buf,
+                 int64 offset,
+                 int buf_len,
+                 const ReadBytesSuccessCallback& success_callback,
+                 const ErrorCallback& error_callback) override;
   bool IsReadOnly() const override;
   void CopyFileLocal(
       const base::FilePath& source_file_path,
       const base::FilePath& device_file_path,
       const CreateTemporaryFileCallback& create_temporary_file_callback,
       const CopyFileProgressCallback& progress_callback,
       const CopyFileLocalSuccessCallback& success_callback,
       const ErrorCallback& error_callback) override;
   void MoveFileLocal(
       const base::FilePath& source_file_path,
@@ skipping 16 matching lines @@
                   const base::FilePath& file_path,
                   const bool recursive,
                   const storage::WatcherManager::StatusCallback& callback,
                   const storage::WatcherManager::NotificationCallback&
                       notification_callback) override;
   void RemoveWatcher(
       const GURL& origin,
       const base::FilePath& file_path,
       const bool recursive,
       const storage::WatcherManager::StatusCallback& callback) override;
-  virtual void CancelPendingTasksAndDeleteDelegate() override;
+  void CancelPendingTasksAndDeleteDelegate() override;
 
   // Ensures the device is initialized for communication by doing a
   // call-and-reply to a blocking pool thread. |task_info.task| runs on a
   // blocking pool thread and |task_info.reply| runs on the IO thread.
   //
   // If the device is already initialized, post the |task_info.task|
   // immediately on a blocking pool thread.
   //
   // If the device is uninitialized, store the |task_info| in a pending task
   // list and then runs all the pending tasks once the device is successfully
@@ skipping 90 matching lines @@
   // Used to make sure only one task is in progress at any time.
   bool task_in_progress_;
 
   // For callbacks that may run after destruction.
   base::WeakPtrFactory<MTPDeviceDelegateImplWin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MTPDeviceDelegateImplWin);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_WIN_MTP_DEVICE_DELEGATE_IMPL_WIN_H_