Remove the deprecated version of ContentsEqual....

base/file_util.h

 // Copyright (c) 2006-2008 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.
 
 // This file contains utility functions for dealing with the local
 // filesystem.
 
 #ifndef BASE_FILE_UTIL_H_
 #define BASE_FILE_UTIL_H_
 
@@ skipping 165 matching lines @@
 
 // Same as above, but takes a previously-opened file handle instead of a name.
 bool GetFileCreationLocalTimeFromHandle(HANDLE file_handle,
                                         LPSYSTEMTIME creation_time);
 #endif  // defined(OS_WIN)
 
 // Returns true if the contents of the two files given are equal, false
 // otherwise.  If either file can't be read, returns false.
 bool ContentsEqual(const FilePath& filename1,
                    const FilePath& filename2);
-// Deprecated temporary compatibility function.
-bool ContentsEqual(const std::wstring& filename1,
-                   const std::wstring& filename2);
 
 // Returns true if the contents of the two text files given are equal, false
 // otherwise.  This routine treats "\r\n" and "\n" as equivalent.
 bool TextContentsEqual(const FilePath& filename1, const FilePath& filename2);
 
 // Read the file at |path| into |contents|, returning true on success.
 // Useful for unit tests.
 bool ReadFileToString(const FilePath& path, std::string* contents);
 // Deprecated version.
 bool ReadFileToString(const std::wstring& path, std::string* contents);
@@ skipping 330 matching lines @@
 
 // Renames a file using the SHFileOperation API to ensure that the target file
 // gets the correct default security descriptor in the new path.
 bool RenameFileAndResetSecurityDescriptor(
     const FilePath& source_file_path,
     const FilePath& target_file_path);
 
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_