Bug fix: Translate: leak of a ComboboxModel

ui/base/models/simple_combobox_model.cc

+// Copyright 2014 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 "ui/base/models/simple_combobox_model.h"
+
+namespace ui {
+
+SimpleComboboxModel::SimpleComboboxModel(
+    const std::vector<base::string16>& items)
+    : items_(items) {
+}
+
+int SimpleComboboxModel::GetItemCount() const {
+  return items_.size();
+}
+
+base::string16 SimpleComboboxModel::GetItemAt(int index) {
+  return items_[index];
+}
+
+bool SimpleComboboxModel::IsItemSeparatorAt(int index) {
+  return items_[index].empty();
+}
+
+int SimpleComboboxModel::GetDefaultIndex() const {
+  return 0;
+}
+
+}  // namespace ui