Add a TouchFile function that operates on FilePaths + fixing a bug...

base/file_util_win.cc

 // Copyright (c) 2010 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 <propvarutil.h>
 #include <psapi.h>
 #include <shellapi.h>
@@ skipping 678 matching lines @@
 
   results->is_directory =
       (attr.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
   results->last_modified = base::Time::FromFileTime(attr.ftLastWriteTime);
   results->last_accessed = base::Time::FromFileTime(attr.ftLastAccessTime);
   results->creation_time = base::Time::FromFileTime(attr.ftCreationTime);
 
   return true;
 }
 
-bool SetLastModifiedTime(const FilePath& file_path, base::Time last_modified) {
-  FILETIME timestamp(last_modified.ToFileTime());
-  ScopedHandle file_handle(
-      CreateFile(file_path.value().c_str(), FILE_WRITE_ATTRIBUTES,
-                 kFileShareAll, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL));
-  BOOL ret = SetFileTime(file_handle.Get(), NULL, &timestamp, &timestamp);
-  return ret != 0;
-}
-
 FILE* OpenFile(const FilePath& filename, const char* mode) {
   std::wstring w_mode = ASCIIToWide(std::string(mode));
   return _wfsopen(filename.value().c_str(), w_mode.c_str(), _SH_DENYNO);
 }
 
 FILE* OpenFile(const std::string& filename, const char* mode) {
   return _fsopen(filename.c_str(), mode, _SH_DENYNO);
 }
 
 int ReadFile(const FilePath& filename, char* data, int size) {
@@ skipping 376 matching lines @@
       uint8 unused = *(touch + offset);
       offset += step_size;
     }
     FreeLibrary(dll_module);
   }
 
   return true;
 }
 
 }  // namespace file_util