Use testRunner instead of layoutTestController in the remaining layout tests

Use testRunner instead of layoutTestController in the remaining layout tests
https://bugs.webkit.org/show_bug.cgi?id=93172

Reviewed by Adam Barth.

One last sweeping patch.

* accessibility/canvas-accessibilitynodeobject.html:
* compositing/backface-visibility/backface-visibility-webgl.html:
* compositing/fixed-position-scroll-offset-history-restore.html:
* compositing/overflow/image-load-overflow-scrollbars.html:
* css3/flexbox/flexitem.html:
* dom/html/level1/core/selfhtml.js:
(startTest):
* dom/html/level2/core/selfhtml.js:
(startTest):
* dom/html/level2/events/selfhtml.js:
(startTest):
* dom/html/level2/html/AppletsCollection.html:
* dom/html/level2/html/HTMLBaseElement01.html:
* dom/html/level2/html/HTMLBaseElement02.html:
* dom/html/level2/html/selfhtml.js:
(startTest):
* dom/svg/level3/xpath/svgunit.js:
* dom/xhtml/level1/core/selfxhtml.js:
(startTest):
* dom/xhtml/level2/core/selfxhtml.js:
(startTest):
* dom/xhtml/level2/events/selfxhtml.js:
(startTest):
* dom/xhtml/level2/html/HTMLBaseElement01.xhtml:
* dom/xhtml/level2/html/HTMLBaseElement02.xhtml:
* dom/xhtml/level2/html/selfxhtml.js:
(startTest):
* dom/xhtml/level3/core/selfxhtml.js:
(startTest):
* editing/shadow/adjusting-editing-boundary-with-table-in-shadow.html:
* editing/shadow/bold-twice-in-shadow.html:
* editing/shadow/breaking-editing-boundaries-2.html:
* editing/shadow/contenteditable-propagation-at-shadow-boundary.html:
* editing/shadow/delete-characters-in-distributed-node-crash.html:
* editing/shadow/delete-list-in-shadow.html:
* editing/shadow/insertorderedlist-crash.html:
* editing/shadow/pressing-enter-on-list.html:
* editing/spelling/grammar-edit-word-expected.txt:
* editing/spelling/grammar-edit-word.html:
* fast/block/percent-height-descendant-not-removed-crash2.html:
* fast/block/positioning/abspositioned-object-under-split-relpositioned-inline-crash.html:
* fast/block/positioning/insert-positioned-in-anonymous-crash.html:
* fast/canvas/fallback-content.html:
* fast/css/counters/counter-reset-subtree-insert-crash.html:
* fast/css/crash-on-gradient-with-derived-color.html:
* fast/dom/NodeList/childNodes-reverse-iteration.html:
* fast/dom/Window/window-property-shadowing-onclick.html:
* fast/dom/XMLSerializer-xml-namespace.html:
* fast/dom/shadow/content-after-style.html:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@124685 268f45cc-cd09-0410-ab3c-d52691b4dbfc