Make arguments to window.{move,resize}{To,By} non-optional

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);
 }
 
 function waitUntilClosing(callback) {
     setTimeout(callback, 1);
 }
 
 function sendKey(input, keyName, ctrlKey, altKey) {
     var event = document.createEvent('KeyboardEvent');
     event.initKeyboardEvent('keydown', true, true, document.defaultView, keyName, 0, ctrlKey, altKey);
     input.dispatchEvent(event);
 }
 
 function openPicker(input, callback) {
-    window.moveTo();
+    window.moveTo(window.screenX, window.screenY);

[Jens Widell, 2015/01/29 13:53:44]

This one is funny. This call is required to make the test work, but it doesn't
seem to matter what arguments are used. "0, 0" works too, and "100, 100". (No
arguments no longer works, though.)

The call to Chrome::setWindowRect() (or something "behind" it) is what affects
the test's outcome somehow.

     input.offsetTop; // Force to lay out
     if (input.type === "color") {
         input.focus();
         eventSender.keyDown(" ");
     } else {
         sendKey(input, "Down", false, true);
     }
     popupWindow = window.internals.pagePopupWindow;
     if (typeof callback === "function") {
         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.
-            window.moveTo();
+            window.moveTo(window.screenX, window.screenY);
             callback();
         }).bind(this, callback);
         popupWindow.addEventListener("didOpenPicker", popupOpenCallbackWrapper, false);
     }
 }