scoped_refptr implicit conversion cleanup tool.

tools/clang/rewrite_scoped_refptr/tests/test2-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;
+};
+
+// Case 2: An example of an unsafe conversion, where the scoped_refptr<> is
+// returned as a temporary, and as such both it and its object are only valid
+// for the duration of the full expression.
+scoped_refptr<Foo> GetBuggyFoo() {
+  return new Foo;
+}
+void UseBuggyFoo() {
+  Foo* unsafe = GetBuggyFoo();
+}