base: Extract FileEnumerator out of file_util.h

base/files/file_enumerator.cc

Index: base/files/file_enumerator.cc
diff --git a/base/files/file_enumerator.cc b/base/files/file_enumerator.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3e2f5d4903b502f13eb32a3c9cb149121c88aa07
--- /dev/null
+++ b/base/files/file_enumerator.cc
@@ -0,0 +1,16 @@
+// Copyright 2013 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/files/file_enumerator.h"
+
+#include "base/file_util.h"
+
+namespace file_util {
+
+bool FileEnumerator::ShouldSkip(const base::FilePath& path) {
+  base::FilePath::StringType basename = path.BaseName().value();
+  return IsDot(path) || (IsDotDot(path) && !(INCLUDE_DOT_DOT & file_type_));
+}
+
+}  // namespace file_util