Fix layout tests that incorrectly attempt to detect whether they're running...

Fix layout tests that incorrectly attempt to detect whether they're running inside DumpRenderTree using "if (layoutTestController)".

Rubber-stamped by Brady Eidson.

* editing/execCommand/25256.html:
* editing/execCommand/25320.html:
* fast/canvas/arc-crash.html:
* fast/css/emptyStyleTag.html:
* fast/events/js-keyboard-event-creation.html:
* fast/events/scrollbar-double-click.html:
* fast/forms/select-no-name.html:
* fast/history/window-open.html:
* platform/mac/fast/events/objc-event-api.html:
* platform/mac/fast/events/objc-keyboard-event-creation.html:
* scrollbars/scrollbar-miss-mousemove-disabled.html:
* scrollbars/scrollbar-miss-mousemove.html:
* storage/domstorage/localstorage/clear.html:
* storage/domstorage/localstorage/delete-removal.html:
* storage/domstorage/localstorage/enumerate-storage.html:
* storage/domstorage/localstorage/index-get-and-set.html:
* storage/domstorage/localstorage/onstorage-attribute-markup.html:
* storage/domstorage/localstorage/onstorage-attribute-setattribute.html:
* storage/domstorage/localstorage/private-browsing-affects-storage.html:
* storage/domstorage/localstorage/resources/window-open-second.html:
* storage/domstorage/localstorage/simple-events.html:
* storage/domstorage/localstorage/simple-usage.html:
* storage/domstorage/localstorage/string-conversion.html:
* storage/domstorage/localstorage/window-open.html:
* storage/domstorage/sessionstorage/clear.html:
* storage/domstorage/sessionstorage/delete-removal.html:
* storage/domstorage/sessionstorage/enumerate-storage.html:
* storage/domstorage/sessionstorage/index-get-and-set.html:
* storage/domstorage/sessionstorage/onstorage-attribute-markup.html:
* storage/domstorage/sessionstorage/onstorage-attribute-setattribute.html:
* storage/domstorage/sessionstorage/private-browsing-affects-storage.html:
* storage/domstorage/sessionstorage/resources/window-open-second.html:
* storage/domstorage/sessionstorage/simple-events.html:
* storage/domstorage/sessionstorage/simple-usage.html:
* storage/domstorage/sessionstorage/string-conversion.html:
* storage/domstorage/sessionstorage/window-open.html:
* storage/domstorage/window-attributes-exist.html:
* svg/custom/stop-crash.svg:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@46314 268f45cc-cd09-0410-ab3c-d52691b4dbfc