When the scripts panel was in an iframe, we never got horizontal scrollbars in it. Now that it's in a div, we are getting horizontal scrollers. We need to either: A - Disable the horizontal scrollbars B - Make horizontal keyboard scrolling work.
This is being resolved as part of https://bugs.webkit.org/show_bug.cgi?id=34356 *** This bug has been marked as a duplicate of bug 34356 ***