Convert download manager to FilePath.

base/file_util_win.cc

 // 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.
 
 #include "base/file_util.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <shlobj.h>
 #include <time.h>
@@ skipping 531 matching lines @@
         " failed, error code=" << GetLastError() <<
         " description=" << win_util::FormatLastWin32Error();
   } else {
     // Didn't write all the bytes.
     LOG(WARNING) << "wrote" << written << " bytes to " << filename <<
         " expected " << size;
   }
   return -1;
 }
 
-bool RenameFileAndResetSecurityDescriptor(
-    const std::wstring& source_file_path,
-    const std::wstring& target_file_path) {
+bool RenameFileAndResetSecurityDescriptor(const FilePath& source_file_path,
+                                          const FilePath& target_file_path) {
   // The parameters to SHFileOperation must be terminated with 2 NULL chars.
-  std::wstring source = source_file_path;
-  std::wstring target = target_file_path;
+  std::wstring source = source_file_path.value();
+  std::wstring target = target_file_path.value();
 
   source.append(1, L'\0');
   target.append(1, L'\0');
 
   SHFILEOPSTRUCT move_info = {0};
   move_info.wFunc = FO_MOVE;
   move_info.pFrom = source.c_str();
   move_info.pTo = target.c_str();
   move_info.fFlags = FOF_SILENT | FOF_NOCONFIRMATION | FOF_NOERRORUI |
                      FOF_NOCONFIRMMKDIR | FOF_NOCOPYSECURITYATTRIBS;
@@ skipping 181 matching lines @@
 void PathComponents(const std::wstring& path,
                     std::vector<std::wstring>* components) {
   PathComponents(FilePath(path), components);
 }
 void ReplaceExtension(std::wstring* file_name, const std::wstring& extension) {
   FilePath path(*file_name);
   ReplaceExtension(&path, extension);
   file_name->assign(path.value());
 }
 }  // namespace file_util