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// Copyright 2016 Chelsea Voss
//
// Licensed under the Apache License, Version 2.0 (the “License”); you may not
// use this file except in compliance with the License.  You may obtain a copy
// of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an “AS IS” BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
// License for the specific language governing permissions and limitations under
// the License.

"use strict";

(function() {
  var history = {
    browserBack: function() { window.history.back(); }
  };

  try {
    UrWeb.History = history;
  } catch (ReferenceError) {
    window.UrWeb = {History: history};
  }
})();