1 files changed, 75 insertions, 0 deletions
diff --git a/catapult/third_party/polymer/components/shadycss/src/style-info.js b/catapult/third_party/polymer/components/shadycss/src/style-info.js
new file mode 100644
index 00000000..fd5b14b2
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+++ b/catapult/third_party/polymer/components/shadycss/src/style-info.js
@@ -0,0 +1,75 @@
+/**
+@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
+*/
+
+'use strict';
+
+import {StyleNode} from './css-parse.js'; // eslint-disable-line no-unused-vars
+
+/** @const {string} */
+const infoKey = '__styleInfo';
+
+export default class StyleInfo {
+  /**
+   * @param {Element} node
+   * @return {StyleInfo}
+   */
+  static get(node) {
+    if (node) {
+      return node[infoKey];
+    } else {
+      return null;
+    }
+  }
+  /**
+   * @param {!Element} node
+   * @param {StyleInfo} styleInfo
+   * @return {StyleInfo}
+   */
+  static set(node, styleInfo) {
+    node[infoKey] = styleInfo;
+    return styleInfo;
+  }
+  /**
+   * @param {StyleNode} ast
+   * @param {Node=} placeholder
+   * @param {Array<string>=} ownStylePropertyNames
+   * @param {string=} elementName
+   * @param {string=} typeExtension
+   * @param {string=} cssBuild
+   */
+  constructor(ast, placeholder, ownStylePropertyNames, elementName, typeExtension, cssBuild) {
+    /** @type {StyleNode} */
+    this.styleRules = ast || null;
+    /** @type {Node} */
+    this.placeholder = placeholder || null;
+    /** @type {!Array<string>} */
+    this.ownStylePropertyNames = ownStylePropertyNames || [];
+    /** @type {Array<Object>} */
+    this.overrideStyleProperties = null;
+    /** @type {string} */
+    this.elementName = elementName || '';
+    /** @type {string} */
+    this.cssBuild = cssBuild || '';
+    /** @type {string} */
+    this.typeExtension = typeExtension || '';
+    /** @type {Object<string, string>} */
+    this.styleProperties = null;
+    /** @type {?string} */
+    this.scopeSelector = null;
+    /** @type {HTMLStyleElement} */
+    this.customStyle = null;
+  }
+  _getStyleRules() {
+    return this.styleRules;
+  }
+}
+
+/* eslint-disable-next-line no-self-assign */
+StyleInfo.prototype['_getStyleRules'] = StyleInfo.prototype._getStyleRules;