1 files changed, 106 insertions, 0 deletions
diff --git a/catapult/third_party/polymer/components/shadycss/entrypoints/scoping-shim.js b/catapult/third_party/polymer/components/shadycss/entrypoints/scoping-shim.js
new file mode 100644
index 00000000..8e35a17e
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+++ b/catapult/third_party/polymer/components/shadycss/entrypoints/scoping-shim.js
@@ -0,0 +1,106 @@
+/**
+@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 ScopingShim from '../src/scoping-shim.js';
+import {nativeCssVariables, nativeShadow, cssBuild} from '../src/style-settings.js';
+
+/** @const {ScopingShim} */
+const scopingShim = new ScopingShim();
+
+let ApplyShim, CustomStyleInterface;
+
+if (window['ShadyCSS']) {
+  ApplyShim = window['ShadyCSS']['ApplyShim'];
+  CustomStyleInterface = window['ShadyCSS']['CustomStyleInterface'];
+}
+
+window.ShadyCSS = {
+  ScopingShim: scopingShim,
+  /**
+   * @param {!HTMLTemplateElement} template
+   * @param {string} elementName
+   * @param {string=} elementExtends
+   */
+  prepareTemplate(template, elementName, elementExtends) {
+    scopingShim.flushCustomStyles();
+    scopingShim.prepareTemplate(template, elementName, elementExtends)
+  },
+
+  /**
+   * @param {!HTMLTemplateElement} template
+   * @param {string} elementName
+   */
+  prepareTemplateDom(template, elementName) {
+    scopingShim.prepareTemplateDom(template, elementName);
+  },
+
+  /**
+   * @param {!HTMLTemplateElement} template
+   * @param {string} elementName
+   * @param {string=} elementExtends
+   */
+  prepareTemplateStyles(template, elementName, elementExtends) {
+    scopingShim.flushCustomStyles();
+    scopingShim.prepareTemplateStyles(template, elementName, elementExtends)
+  },
+  /**
+   * @param {!HTMLElement} element
+   * @param {Object=} properties
+   */
+  styleSubtree(element, properties) {
+    scopingShim.flushCustomStyles();
+    scopingShim.styleSubtree(element, properties);
+  },
+
+  /**
+   * @param {!HTMLElement} element
+   */
+  styleElement(element) {
+    scopingShim.flushCustomStyles();
+    scopingShim.styleElement(element);
+  },
+
+  /**
+   * @param {Object=} properties
+   */
+  styleDocument(properties) {
+    scopingShim.flushCustomStyles();
+    scopingShim.styleDocument(properties);
+  },
+
+  flushCustomStyles() {
+    scopingShim.flushCustomStyles();
+  },
+
+  /**
+   * @param {Element} element
+   * @param {string} property
+   * @return {string}
+   */
+  getComputedStyleValue(element, property) {
+    return scopingShim.getComputedStyleValue(element, property);
+  },
+
+  nativeCss: nativeCssVariables,
+
+  nativeShadow: nativeShadow,
+
+  cssBuild: cssBuild
+};
+
+if (ApplyShim) {
+  window.ShadyCSS.ApplyShim = ApplyShim;
+}
+
+if (CustomStyleInterface) {
+  window.ShadyCSS.CustomStyleInterface = CustomStyleInterface;
+}
+\ No newline at end of file