Cleanup: Pass std::string as const reference from pdf/
[chromium-blink-merge.git] / base / strings / nullable_string16.cc
blob07f81d43396548e87f8972ed3071972f6848cae0
1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "base/strings/nullable_string16.h"
7 #include <ostream>
9 #include "base/strings/utf_string_conversions.h"
11 namespace base {
13 std::ostream& operator<<(std::ostream& out, const NullableString16& value) {
14 return value.is_null() ? out << "(null)" : out << UTF16ToUTF8(value.string());
17 } // namespace base