update webcomponents

dashboard-ui/bower_components/webcomponentsjs/webcomponents.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 0.7.9
+// @version 0.7.10
 window.WebComponents = window.WebComponents || {};
 
 (function(scope) {
@@ -7013,14 +7013,16 @@ window.CustomElements.addModule(function(scope) {
   function bootstrap() {
     upgradeDocumentTree(window.wrap(document));
     window.CustomElements.ready = true;
-    setTimeout(function() {
-      window.CustomElements.readyTime = Date.now();
-      if (window.HTMLImports) {
-        window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
-      }
-      document.dispatchEvent(new CustomEvent("WebComponentsReady", {
-        bubbles: true
-      }));
+    requestAnimationFrame(function() {
+      setTimeout(function() {
+        window.CustomElements.readyTime = Date.now();
+        if (window.HTMLImports) {
+          window.CustomElements.elapsed = window.CustomElements.readyTime - window.HTMLImports.readyTime;
+        }
+        document.dispatchEvent(new CustomEvent("WebComponentsReady", {
+          bubbles: true
+        }));
+      });
     });
   }
   if (isIE11OrOlder && typeof window.CustomEvent !== "function") {