Clean up threading model of external extension providers

base/values_util.cc

Index: base/values_util.cc
diff --git a/base/values_util.cc b/base/values_util.cc
deleted file mode 100644
index fbc616bf8e393aa362851bf4c1e1ff15daac9ed3..0000000000000000000000000000000000000000
--- a/base/values_util.cc
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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/values_util.h"
-
-RefCountedList::RefCountedList(ListValue* list) {
-  list_ = list;
-}
-
-RefCountedList::~RefCountedList() {
-  if (list_)
-    delete list_;
-}
-
-ListValue* RefCountedList::Get() {
-  return list_;
-}