scoped_refptr implicit conversion cleanup tool.

tools/clang/rewrite_scoped_refptr/tests/test5-expected.cc

+// Copyright (c) 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 "scoped_refptr.h"
+
+struct Foo {
+  int dummy;
+};
+
+struct Bar : public Foo {
+  int another_dummy;
+};
+
+// Ensure that the correct cast (the user-defined cast) is converted.
+void ExpectsRawFooPtr(Foo* foo) {
+  Foo* temp = foo;
+}
+
+void CallExpectsRawFooPtrWithBar() {
+  scoped_refptr<Bar> temp(new Bar);
+  ExpectsRawFooPtr(temp.get());
+}