release v0.7.23

Author: dfreedm

CustomElements.js

@@ -7,7 +7,7 @@
  * 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 0.7.22
+// @version 0.7.23
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
@@ -351,7 +351,7 @@ if (typeof WeakMap === "undefined") {
 
 (function(scope) {
   "use strict";
-  if (!window.performance) {
+  if (!(window.performance && window.performance.now)) {
     var start = Date.now();
     window.performance = {
       now: function() {

CustomElements.min.js

@@ -7,7 +7,7 @@
  * 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 0.7.22
+// @version 0.7.23
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
@@ -351,7 +351,7 @@ if (typeof WeakMap === "undefined") {
 
 (function(scope) {
   "use strict";
-  if (!window.performance) {
+  if (!(window.performance && window.performance.now)) {
     var start = Date.now();
     window.performance = {
       now: function() {

HTMLImports.js

@@ -7,7 +7,7 @@
  * 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 0.7.22
+// @version 0.7.23
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;

HTMLImports.min.js

@@ -1,7 +1,7 @@
 webcomponents.js
 ================
 
-[![Join the chat at https://gitter.im/webcomponents/webcomponentsjs](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/webcomponents/webcomponentsjs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Build Status](https://travis-ci.org/webcomponents/webcomponentsjs.svg?branch=master)](https://travis-ci.org/webcomponents/webcomponentsjs)
 
 A suite of polyfills supporting the [Web Components](http://webcomponents.org) specs:
 

MutationObserver.js

@@ -7,7 +7,7 @@
  * 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 0.7.22
+// @version 0.7.23
 if (typeof WeakMap === "undefined") {
   (function() {
     var defineProperty = Object.defineProperty;
@@ -165,6 +165,9 @@ window.ShadowDOMPolyfill = {};
   }
   function getDescriptor(source, name) {
     try {
+      if (source === window && name === "showModalDialog") {
+        return dummyDescriptor;
+      }
       return Object.getOwnPropertyDescriptor(source, name);
     } catch (ex) {
       return dummyDescriptor;

MutationObserver.min.js

@@ -1,7 +1,7 @@
 {
   "name": "webcomponentsjs",
   "main": "webcomponents.js",
-  "version": "0.7.22",
+  "version": "0.7.23",
   "homepage": "http://webcomponents.org",
   "authors": [
     "The Polymer Authors"