1 files changed, 33 insertions, 0 deletions
diff --git a/security/sandbox/chromium/base/strings/nullable_string16.cc b/security/sandbox/chromium/base/strings/nullable_string16.cc
new file mode 100644
index 0000000000..076b282eb1
--- /dev/null
+++ b/security/sandbox/chromium/base/strings/nullable_string16.cc
@@ -0,0 +1,33 @@
+// 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 "base/strings/nullable_string16.h"
+
+#include <ostream>
+#include <utility>
+
+namespace base {
+NullableString16::NullableString16() = default;
+NullableString16::NullableString16(const NullableString16& other) = default;
+NullableString16::NullableString16(NullableString16&& other) = default;
+
+NullableString16::NullableString16(const string16& string, bool is_null) {
+  if (!is_null)
+    string_.emplace(string);
+}
+
+NullableString16::NullableString16(Optional<string16> optional_string16)
+    : string_(std::move(optional_string16)) {}
+
+NullableString16::~NullableString16() = default;
+NullableString16& NullableString16::operator=(const NullableString16& other) =
+    default;
+NullableString16& NullableString16::operator=(NullableString16&& other) =
+    default;
+
+std::ostream& operator<<(std::ostream& out, const NullableString16& value) {
+  return value.is_null() ? out << "(null)" : out << value.string();
+}
+
+}  // namespace base