Added base template for config ui.

appengine/config_service/ui/bower_components/webcomponentsjs/src/post-polyfill.js

Index: appengine/config_service/ui/bower_components/webcomponentsjs/src/post-polyfill.js
diff --git a/appengine/config_service/ui/bower_components/webcomponentsjs/src/post-polyfill.js b/appengine/config_service/ui/bower_components/webcomponentsjs/src/post-polyfill.js
new file mode 100644
index 0000000000000000000000000000000000000000..83c043156df16d20eb732f09f8e6b1b3aed40928
--- /dev/null
+++ b/appengine/config_service/ui/bower_components/webcomponentsjs/src/post-polyfill.js
@@ -0,0 +1,61 @@
+/**
+ * @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
+ */
+
+(function() {
+
+  'use strict';
+
+  var customElements = window['customElements'];
+  var HTMLImports = window['HTMLImports'];
+  // global for (1) existence means `WebComponentsReady` will file,
+  // (2) WebComponents.ready == true means event has fired.
+  window.WebComponents = window.WebComponents || {};
+
+  if (customElements && customElements['polyfillWrapFlushCallback']) {
+    // Here we ensure that the public `HTMLImports.whenReady`
+    // always comes *after* custom elements have upgraded.
+    var flushCallback;
+    var runAndClearCallback = function runAndClearCallback() {
+      if (flushCallback) {
+        var cb = flushCallback;
+        flushCallback = null;
+        cb();
+        return true;
+      }
+    }
+    var origWhenReady = HTMLImports['whenReady'];
+    customElements['polyfillWrapFlushCallback'](function(cb) {
+      flushCallback = cb;
+      origWhenReady(runAndClearCallback);
+    });
+
+    HTMLImports['whenReady'] = function(cb) {
+      origWhenReady(function() {
+        // custom element code may add dynamic imports
+        // to match processing of native custom elements before
+        // domContentLoaded, we wait for these imports to resolve first.
+        if (runAndClearCallback()) {
+          HTMLImports['whenReady'](cb);
+        } else {
+          cb();
+        }
+      });
+    }
+
+  }
+
+  HTMLImports['whenReady'](function() {
+    requestAnimationFrame(function() {
+      window.WebComponents.ready = true;
+      document.dispatchEvent(new CustomEvent('WebComponentsReady', {bubbles: true}));
+    });
+  });
+
+})();