Remove support for Chromium from webkitdirs.pm
https://bugs.webkit.org/show_bug.cgi?id=115338

Patch by Seokju Kwon <seokju.kwon@gmail.com> on 2013-04-28
Reviewed by Darin Adler.

* Scripts/webkitdirs.pm:
(determineBaseProductDir):
(argumentsForConfiguration):
(builtDylibPathForName):
(determineIsQt):
(isAppleWebKit):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149269 268f45cc-cd09-0410-ab3c-d52691b4dbfc