Source/WebCore: Unreviewed gardening. Rolling out r139537. It broke platforms without sub-pixel layout.

* dom/Element.cpp:
(WebCore::Element::offsetWidth):
(WebCore::Element::offsetHeight):
(WebCore::Element::clientWidth):
(WebCore::Element::clientHeight):
* rendering/RenderObject.h:
(WebCore::adjustLayoutUnitForAbsoluteZoom):
* rendering/style/RenderStyle.h:
(WebCore::adjustLayoutUnitForAbsoluteZoom):

LayoutTests: Unreviewed gardening. Rolling out 139537. It broke platforms not using sub-
pixel layout.

* fast/images/zoomed-offset-size.html: Removed.
* fast/images/zoomed-offset-size-expected.txt: Removed.
* platform/efl/TestExpectations:
* platform/qt/TestExpectations


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139573 268f45cc-cd09-0410-ab3c-d52691b4dbfc