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+<!--
+@license
+Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
+This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+Code distributed by Google as part of the polymer project is also
+subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="../utils/boot.html">
+<link rel="import" href="../utils/resolve-url.html">
+
+<script>
+/** @suppress {deprecated} */
+(function() {
+  'use strict';
+
+  /**
+   * Sets the global, legacy settings.
+   *
+   * @deprecated
+   * @namespace
+   * @memberof Polymer
+   */
+  Polymer.Settings = Polymer.Settings || {};
+
+  Polymer.Settings.useShadow = !(window.ShadyDOM);
+  Polymer.Settings.useNativeCSSProperties =
+    Boolean(!window.ShadyCSS || window.ShadyCSS.nativeCss);
+  Polymer.Settings.useNativeCustomElements =
+    !(window.customElements.polyfillWrapFlushCallback);
+
+
+  /**
+   * Globally settable property that is automatically assigned to
+   * `Polymer.ElementMixin` instances, useful for binding in templates to
+   * make URL's relative to an application's root.  Defaults to the main
+   * document URL, but can be overridden by users.  It may be useful to set
+   * `Polymer.rootPath` to provide a stable application mount path when
+   * using client side routing.
+   *
+   * @memberof Polymer
+   */
+  let rootPath = Polymer.rootPath ||
+    Polymer.ResolveUrl.pathFromUrl(document.baseURI || window.location.href);
+
+  Polymer.rootPath = rootPath;
+
+  /**
+   * Sets the global rootPath property used by `Polymer.ElementMixin` and
+   * available via `Polymer.rootPath`.
+   *
+   * @memberof Polymer
+   * @param {string} path The new root path
+   * @return {void}
+   */
+  Polymer.setRootPath = function(path) {
+    Polymer.rootPath = path;
+  };
+
+  /**
+   * A global callback used to sanitize any value before inserting it into the DOM. The callback signature is:
+   *
+   *     Polymer = {
+   *       sanitizeDOMValue: function(value, name, type, node) { ... }
+   *     }
+   *
+   * Where:
+   *
+   * `value` is the value to sanitize.
+   * `name` is the name of an attribute or property (for example, href).
+   * `type` indicates where the value is being inserted: one of property, attribute, or text.
+   * `node` is the node where the value is being inserted.
+   *
+   * @type {(function(*,string,string,Node):*)|undefined}
+   * @memberof Polymer
+   */
+  let sanitizeDOMValue = Polymer.sanitizeDOMValue;
+
+  // This is needed for tooling
+  Polymer.sanitizeDOMValue = sanitizeDOMValue;
+
+  /**
+   * Sets the global sanitizeDOMValue available via `Polymer.sanitizeDOMValue`.
+   *
+   * @memberof Polymer
+   * @param {(function(*,string,string,Node):*)|undefined} newSanitizeDOMValue the global sanitizeDOMValue callback
+   * @return {void}
+   */
+  Polymer.setSanitizeDOMValue = function(newSanitizeDOMValue) {
+    Polymer.sanitizeDOMValue = newSanitizeDOMValue;
+  };
+
+  /**
+   * Globally settable property to make Polymer Gestures use passive TouchEvent listeners when recognizing gestures.
+   * When set to `true`, gestures made from touch will not be able to prevent scrolling, allowing for smoother
+   * scrolling performance.
+   * Defaults to `false` for backwards compatibility.
+   *
+   * @memberof Polymer
+   */
+  let passiveTouchGestures = false;
+
+  Polymer.passiveTouchGestures = passiveTouchGestures;
+
+  /**
+   * Sets `passiveTouchGestures` globally for all elements using Polymer Gestures.
+   *
+   * @memberof Polymer
+   * @param {boolean} usePassive enable or disable passive touch gestures globally
+   * @return {void}
+   */
+  Polymer.setPassiveTouchGestures = function(usePassive) {
+    Polymer.passiveTouchGestures = usePassive;
+  };
+})();
+</script>