Remove obsolete conditionals around calling SkTypeface::getUnitsPerEm()
https://bugs.webkit.org/show_bug.cgi?id=112846

Reviewed by Stephen White.

Existing complex-text layouttests exercise this code.

* platform/graphics/harfbuzz/FontPlatformDataHarfBuzz.cpp:
(WebCore::FontPlatformData::emSizeInFontUnits):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146456 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed, rolling out r146454.
http://trac.webkit.org/changeset/146454
https://bugs.webkit.org/show_bug.cgi?id=112906

compile failures (Requested by antonm on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2013-03-21

Source/WebCore:

* WebCore.gypi:
* platform/graphics/filters/FEConvolveMatrix.h:
(FEConvolveMatrix):
* platform/graphics/filters/skia/FEConvolveMatrixSkia.cpp: Removed.

LayoutTests:

* css3/filters/effect-reference-hw.html:
* css3/filters/effect-reference.html:
* platform/chromium/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@146457 268f45cc-cd09-0410-ab3c-d52691b4dbfc