scoped_refptr implicit conversion cleanup tool.

tools/clang/rewrite_scoped_refptr/tests/test12-original.cc

Index: tools/clang/rewrite_scoped_refptr/tests/test12-original.cc
diff --git a/tools/clang/rewrite_scoped_refptr/tests/test12-original.cc b/tools/clang/rewrite_scoped_refptr/tests/test12-original.cc
new file mode 100644
index 0000000000000000000000000000000000000000..de4dd67258024f24cffb8d8387815e6daaa51391
--- /dev/null
+++ b/tools/clang/rewrite_scoped_refptr/tests/test12-original.cc
@@ -0,0 +1,45 @@
+// 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 <iterator>
+#include <map>
+#include <string>
+
+#include "scoped_refptr.h"
+
+struct Foo {
+  int dummy;
+};
+
+typedef std::map<std::string, scoped_refptr<const Foo> > MyMap;
+
+class MyIter
+    : public std::iterator<std::input_iterator_tag, scoped_refptr<const Foo> > {
+ public:
+  MyIter() {}
+  MyIter(const MyIter& other) : it_(other.it_) {}
+  explicit MyIter(MyMap::const_iterator it) : it_(it) {}
+  MyIter& operator++() {
+    ++it_;
+    return *this;
+  }
+  const scoped_refptr<const Foo> operator*() { return it_->second; }
+  bool operator!=(const MyIter& other) { return it_ != other.it_; }
+  bool operator==(const MyIter& other) { return it_ == other.it_; }
+
+ private:
+  MyMap::const_iterator it_;
+};
+
+void TestsAScopedRefptr() {
+  MyMap map;
+  map["foo"] = new Foo;
+  map["bar"] = new Foo;
+  MyIter my_begin(map.begin());
+  MyIter my_end(map.end());
+  for (MyIter it = my_begin; it != my_end; ++it) {
+    const Foo* item = NULL;
+    item = *it;
+  }
+}