scoped_refptr implicit conversion cleanup tool.

tools/clang/rewrite_scoped_refptr/tests/test8-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;
+};
+
+struct Bar : public Foo {
+  int another_dummy;
+};
+
+void ExpectsRawPtr(Foo* foo) {
+  Foo* temp = foo;
+}
+
+// Ensure that de-referencing scoped_refptr<>'s are properly rewritten as
+// ->get() calls, and that the correct conversion is rewritten (eg: not the
+// Bar* -> Foo* conversion).
+Foo* GetHeapFoo() {
+  scoped_refptr<Bar>* heap_allocated = new scoped_refptr<Bar>();
+  *heap_allocated = new Bar;
+  return *heap_allocated;
+}