[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/webcomponentsjs/webcomponents-lite.min.js

+/**
+ * @license
+ * Copyright (c) 2014 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
+ */
+// @version 0.7.20
+!function(){window.WebComponents=window.WebComponents||{flags:{}};var e="webcomponents-lite.js",t=document.querySelector('script[src*="'+e+'"]'),n={};if(!n.noOpts){if(location.search.slice(1).split("&").forEach(function(e){var t,r=e.split("=");r[0]&&(t=r[0].match(/wc-(.+)/))&&(n[t[1]]=r[1]||!0)}),t)for(var r,o=0;r=t.attributes[o];o++)"src"!==r.name&&(n[r.name]=r.value||!0);if(n.log&&n.log.split){var i=n.log.split(",");n.log={},i.forEach(function(e){n.log[e]=!0})}else n.log={}}n.register&&(window.CustomElements=window.CustomElements||{flags:{}},window.CustomElements.flags.register=n.register),WebComponents.flags=n}(),function(e){"use strict";function t(e){return void 0!==h[e]}function n(){s.call(this),this._isInvalid=!0}function r(e){return""==e&&n.call(this),e.toLowerCase()}function o(e){var t=e.charCodeAt(0);return t>32&&127>t&&-1==[34,35,60,62,63,96].indexOf(t)?e:encodeURIComponent(e)}function i(e){var t=e.charCodeAt(0);return 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