replace 'virtual ... OVERRIDE' with '... override'

base/files/file_path_watcher_fsevents.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 BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_
 #define BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_
 
 #include <CoreServices/CoreServices.h>
 
 #include <vector>
@@ skipping 18 matching lines @@
 
   // (Re-)Initialize the event stream to start reporting events from
   // |start_event|.
   void UpdateEventStream(FSEventStreamEventId start_event);
 
   // Returns true if resolving the target path got a different result than
   // last time it was done.
   bool ResolveTargetPath();
 
   // FilePathWatcher::PlatformDelegate overrides.
-  virtual bool Watch(const FilePath& path,
-                     bool recursive,
-                     const FilePathWatcher::Callback& callback) OVERRIDE;
-  virtual void Cancel() OVERRIDE;
+  bool Watch(const FilePath& path,
+             bool recursive,
+             const FilePathWatcher::Callback& callback) override;
+  void Cancel() override;
 
  private:
   virtual ~FilePathWatcherFSEvents();
 
   // Destroy the event stream.
   void DestroyEventStream();
 
   // Start watching the FSEventStream.
   void StartEventStream(FSEventStreamEventId start_event);
 
   // Cleans up and stops the event stream.
-  virtual void CancelOnMessageLoopThread() OVERRIDE;
+  void CancelOnMessageLoopThread() override;
 
   // Callback to notify upon changes.
   FilePathWatcher::Callback callback_;
 
   // Target path to watch (passed to callback).
   FilePath target_;
 
   // Target path with all symbolic links resolved.
   FilePath resolved_target_;
 
   // Backend stream we receive event callbacks from (strong reference).
   FSEventStreamRef fsevent_stream_;
 
   DISALLOW_COPY_AND_ASSIGN(FilePathWatcherFSEvents);
 };
 
 }  // namespace base
 
 #endif  // BASE_FILES_FILE_PATH_WATCHER_FSEVENTS_H_