Unreviewed, rolling out r144065.

Unreviewed, rolling out r144065.
http://trac.webkit.org/changeset/144065
https://bugs.webkit.org/show_bug.cgi?id=110896

Causing failures and crashes on Chromium Win7 and Win XP
(Requested by schenney on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2013-02-26

Source/WebCore:

* platform/graphics/harfbuzz/HarfBuzzShaper.cpp:
(WebCore::normalizeCharacters):
(WebCore::HarfBuzzShaper::HarfBuzzShaper):
* platform/graphics/harfbuzz/HarfBuzzShaperBase.cpp:
(WebCore::HarfBuzzShaperBase::setNormalizedBuffer):

Source/WebKit/chromium:

* features.gypi:

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@144084 268f45cc-cd09-0410-ab3c-d52691b4dbfc