Bug 919106 - Not check pointer lock element for non-first mousemove call in screenClientXYConst test. rs=RyanVM

--HG--
extra : source : 43e363c256f8af61ec598e99feabc6bcc172b938

dom/tests/mochitest/pointerlock/file_screenClientXYConst.html

@@ -53,7 +53,6 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=633602
           todo(false, "mousemove is fired twice.");
         }
 
-        isUnlocked = !document.mozPointerLockElement;
         unLockedCoords = {
           screenX: e.screenX,
           screenY: e.screenY,
@@ -65,6 +64,7 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=633602
           return;
         }
 
+        isUnlocked = !document.mozPointerLockElement;
         div.mozRequestPointerLock();
       }