roll clang 131935:132017

webkit/fileapi/quota_file_util.h

 // Copyright (c) 2011 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 WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_
 #define WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_
 
 #include "webkit/fileapi/file_system_file_util.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #pragma once
 
 namespace fileapi {
 
 class QuotaFileUtil : public FileSystemFileUtil {
  public:
   static QuotaFileUtil* GetInstance();
-  ~QuotaFileUtil() {}
+  virtual ~QuotaFileUtil() {}
 
   static const int64 kNoLimit;
 
   virtual base::PlatformFileError CopyOrMoveFile(
     FileSystemOperationContext* fs_context,
     const FilePath& src_file_path,
     const FilePath& dest_file_path,
     bool copy);
 
   virtual base::PlatformFileError DeleteFile(
@@ skipping 10 matching lines @@
   friend struct DefaultSingletonTraits<QuotaFileUtil>;
   DISALLOW_COPY_AND_ASSIGN(QuotaFileUtil);
 
  protected:
   QuotaFileUtil() {}
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_QUOTA_FILE_UTIL_H_