Move file enumeration to filepaths.

net/disk_cache/cache_util_posix.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 "net/disk_cache/cache_util.h"
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 
 namespace disk_cache {
 
 bool MoveCache(const std::wstring& from_path, const std::wstring& to_path) {
   // Just use the version from base.
   return file_util::Move(from_path.c_str(), to_path.c_str());
 }
 
 void DeleteCache(const std::wstring& path, bool remove_folder) {
-  file_util::FileEnumerator iter(path, /* recursive */ false,
+  file_util::FileEnumerator iter(FilePath::FromWStringHack(path),
+                                 /* recursive */ false,
                                  file_util::FileEnumerator::FILES);
-  for (std::wstring file = iter.Next(); !file.empty(); file = iter.Next()) {
+  for (FilePath file = iter.Next(); !file.value().empty(); file = iter.Next()) {
     if (!file_util::Delete(file, /* recursive */ false))
       NOTREACHED();
   }
 
   if (remove_folder) {
     if (!file_util::Delete(path, /* recursive */ false))
       NOTREACHED();
   }
 }
 
 bool DeleteCacheFile(const std::wstring& name) {
   return file_util::Delete(name, false);
 }
 
 void WaitForPendingIO(int* num_pending_io) {
   if (*num_pending_io) {
     NOTIMPLEMENTED();
   }
 }
 
 }  // namespace disk_cache