scoped_refptr implicit conversion cleanup tool.

tools/clang/rewrite_scoped_refptr/tests/test3-original.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;
+};
+
+void ExpectsScopedRefptr(const scoped_refptr<Foo>& param) {
+  Foo* foo = param;
+}
+
+void CallExpectsScopedRefptr() {
+  scoped_refptr<Foo> temp(new Foo);
+  ExpectsScopedRefptr(temp);
+}
+
+void CallExpectsScopedRefptrWithRawPtr() {
+  ExpectsScopedRefptr(new Foo);
+}