Start migrating the disk cache to using FilePath.

net/disk_cache/cache_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 "net/disk_cache/cache_util.h"
 
 #include <windows.h>
 
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 21 matching lines @@
     std::wstring current(adjusted_path);
     current += data.cFileName;
     DeleteFile(current.c_str());
   } while (FindNextFile(handle, &data));
 }
 
 }  // namespace
 
 namespace disk_cache {
 
-bool MoveCache(const std::wstring& from_path, const std::wstring& to_path) {
+bool MoveCache(const FilePath& from_path, const FilePath& to_path) {
   // I don't want to use the shell version of move because if something goes
   // wrong, that version will attempt to move file by file and fail at the end.
-  if (!MoveFileEx(from_path.c_str(), to_path.c_str(), 0)) {
+  if (!MoveFileEx(from_path.value().c_str(), to_path.value().c_str(), 0)) {
     LOG(ERROR) << "Unable to move the cache: " << GetLastError();
     return false;
   }
   return true;
 }
 
+void DeleteCache(const FilePath& path, bool remove_folder) {
+  DeleteFiles(path.value().c_str(), L"*");
+  if (remove_folder)
+    RemoveDirectory(path.value().c_str());
+}
+
+bool DeleteCacheFile(const FilePath& name) {
+  // We do a simple delete, without ever falling back to SHFileOperation, as the
+  // version from base does.
+  return DeleteFile(name.value().c_str()) ? true : false;
+}
+
 void DeleteCache(const std::wstring& path, bool remove_folder) {
-  DeleteFiles(path.c_str(), L"*");
-  if (remove_folder)
-    RemoveDirectory(path.c_str());
+  DeleteCache(FilePath::FromWStringHack(path), remove_folder);
 }
 
 bool DeleteCacheFile(const std::wstring& name) {
-  // We do a simple delete, without ever falling back to SHFileOperation, as the
-  // version from base does.
-  return DeleteFile(name.c_str()) ? true : false;
+  return DeleteCacheFile(FilePath::FromWStringHack(name));
 }
 
 }  // namespace disk_cache