Implement rewrite logic for assigning a temporary scoped_refptr to T*.

tools/clang/rewrite_scoped_refptr/tests/test2-original.cc

Index: tools/clang/rewrite_scoped_refptr/tests/test2-original.cc
diff --git a/tools/clang/rewrite_scoped_refptr/tests/test2-original.cc b/tools/clang/rewrite_scoped_refptr/tests/test2-original.cc
deleted file mode 100644
index dd6e0ee9ba67dd2abaad427750ce8623808d4cf5..0000000000000000000000000000000000000000
--- a/tools/clang/rewrite_scoped_refptr/tests/test2-original.cc
+++ /dev/null
@@ -1,19 +0,0 @@
-// 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();
-}