Added base template for config ui.

appengine/config_service/ui/bower_components/polymer/lib/utils/resolve-url.html

+<!--
+@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="boot.html">
+
+<script>
+
+  (function() {
+    'use strict';
+
+    let CSS_URL_RX = /(url\()([^)]*)(\))/g;
+    let ABS_URL = /(^\/)|(^#)|(^[\w-\d]*:)/;
+    let workingURL;
+    let resolveDoc;
+    /**
+     * Resolves the given URL against the provided `baseUri'.
+     *
+     * @memberof Polymer.ResolveUrl
+     * @param {string} url Input URL to resolve
+     * @param {string} baseURI Base URI to resolve the URL against
+     * @return {string} resolved URL
+     */
+    function resolveUrl(url, baseURI) {
+      if (url && ABS_URL.test(url)) {
+        return url;
+      }
+      // Lazy feature detection.
+      if (workingURL === undefined) {
+        workingURL = false;
+        try {
+          const u = new URL('b', 'http://a');
+          u.pathname = 'c%20d';
+          workingURL = (u.href === 'http://a/c%20d');
+        } catch (e) {
+          // silently fail
+        }
+      }
+      if (!baseURI) {
+        baseURI = document.baseURI || window.location.href;
+      }
+      if (workingURL) {
+        return (new URL(url, baseURI)).href;
+      }
+      // Fallback to creating an anchor into a disconnected document.
+      if (!resolveDoc) {
+        resolveDoc = document.implementation.createHTMLDocument('temp');
+        resolveDoc.base = resolveDoc.createElement('base');
+        resolveDoc.head.appendChild(resolveDoc.base);
+        resolveDoc.anchor = resolveDoc.createElement('a');
+        resolveDoc.body.appendChild(resolveDoc.anchor);
+      }
+      resolveDoc.base.href = baseURI;
+      resolveDoc.anchor.href = url;
+      return resolveDoc.anchor.href || url;
+
+    }
+
+    /**
+     * Resolves any relative URL's in the given CSS text against the provided
+     * `ownerDocument`'s `baseURI`.
+     *
+     * @memberof Polymer.ResolveUrl
+     * @param {string} cssText CSS text to process
+     * @param {string} baseURI Base URI to resolve the URL against
+     * @return {string} Processed CSS text with resolved URL's
+     */
+    function resolveCss(cssText, baseURI) {
+      return cssText.replace(CSS_URL_RX, function(m, pre, url, post) {
+        return pre + '\'' +
+          resolveUrl(url.replace(/["']/g, ''), baseURI) +
+          '\'' + post;
+      });
+    }
+
+    /**
+     * Returns a path from a given `url`. The path includes the trailing
+     * `/` from the url.
+     *
+     * @memberof Polymer.ResolveUrl
+     * @param {string} url Input URL to transform
+     * @return {string} resolved path
+     */
+    function pathFromUrl(url) {
+      return url.substring(0, url.lastIndexOf('/') + 1);
+    }
+
+    /**
+     * Module with utilities for resolving relative URL's.
+     *
+     * @namespace
+     * @memberof Polymer
+     * @summary Module with utilities for resolving relative URL's.
+     */
+    Polymer.ResolveUrl = {
+      resolveCss: resolveCss,
+      resolveUrl: resolveUrl,
+      pathFromUrl: pathFromUrl
+    };
+
+  })();
+
+</script>