Convert regions parsing test to use testharness.js

Convert regions parsing test to use testharness.js
https://bugs.webkit.org/show_bug.cgi?id=80709

Patch by Jacob Goldstein <jacobg@adobe.com> on 2012-03-20
Reviewed by Ryosuke Niwa.

* fast/regions/script-tests/webkit-flow-parsing.js:
(testParse):
(testComputedStyle):
(testNotInherited):
(test):
* fast/regions/webkit-flow-parsing-expected.txt:
* fast/regions/webkit-flow-parsing.html:
* resources/testharness.js: Added.
(.):
* resources/testharnessreport.js: Added.
(convertResult):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@111411 268f45cc-cd09-0410-ab3c-d52691b4dbfc