New SELECT Popup: Recalc style when a web font is loaded

LayoutTests/fast/forms/resources/picker-common.js

 window.jsTestIsAsync = true;
 
 var popupWindow = null;
 
 var popupOpenCallback = null;
 
 function popupOpenCallbackWrapper() {
     popupWindow.removeEventListener("didOpenPicker", popupOpenCallbackWrapper);
     setTimeout(popupOpenCallback, 0);
 }
@@ skipping 50 matching lines @@
 
 function setPopupOpenCallback(callback) {
     console.assert(popupWindow);
     popupOpenCallback = (function(callback) {
         // We need to move the window to the top left of available space
         // because the window will move back to (0, 0) when the
         // ShellViewMsg_SetTestConfiguration IPC arrives.
         rootWindow().moveTo();
         callback();
     }).bind(this, callback);
-    popupWindow.addEventListener("didOpenPicker", popupOpenCallbackWrapper, false);
+    try {
+        popupWindow.addEventListener("didOpenPicker", popupOpenCallbackWrapper, false);
+    } catch(e) {
+        debug(e.name);
+    }
 }