Implement some missing file util functions.

Review URL: http://codereview.chromium.org/11208

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5571 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: a9cd2a6531ed01e92ee81b136754ba00165c58cd
diff --git a/base/file_util.cc b/base/file_util.cc
index 4fdc128..0f7b683 100644
--- a/base/file_util.cc
+++ b/base/file_util.cc
@@ -370,6 +370,12 @@
   *path_str = path.ToWStringHack();
   return true;
 }
+FILE* OpenFile(const std::wstring& filename, const char* mode) {
+  return OpenFile(FilePath::FromWStringHack(filename), mode);
+}
+bool SetCurrentDirectory(const std::wstring& directory) {
+  return SetCurrentDirectory(FilePath::FromWStringHack(directory));
+}
 
 }  // namespace