replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/media_galleries/fileapi/supported_image_type_validator.h

 // Copyright 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_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h"
 
 class ImageDecoder;
 
 class MediaFileValidatorFactory;
 
 // Use ImageDecoder to determine if the file decodes without error. Handles
 // image files supported by Chrome.
 class SupportedImageTypeValidator : public AVScanningFileValidator {
  public:
   virtual ~SupportedImageTypeValidator();
 
   static bool SupportsFileType(const base::FilePath& path);
 
   virtual void StartPreWriteValidation(
-      const ResultCallback& result_callback) OVERRIDE;
+      const ResultCallback& result_callback) override;
 
  private:
   friend class MediaFileValidatorFactory;
 
   explicit SupportedImageTypeValidator(const base::FilePath& file);
 
   void OnFileOpen(scoped_ptr<std::string> data);
 
   base::FilePath path_;
   scoped_refptr<ImageDecoder> decoder_;
   storage::CopyOrMoveFileValidator::ResultCallback callback_;
   base::WeakPtrFactory<SupportedImageTypeValidator> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SupportedImageTypeValidator);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_IMAGE_TYPE_VALIDATOR_H_