Fix the iOS build after r177002

Patch by Benjamin Poulain <bpoulain@apple.com> on 2014-12-08

* platform/graphics/opengl/Extensions3DOpenGL.cpp:
(WebCore::Extensions3DOpenGL::supportsExtension):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@177003 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Rebaseline Mavericks test results after r176978.

Unreviewed.

* platform/mac-mavericks/fast/forms/search-vertical-alignment-expected.png:
* platform/mac-mavericks/fast/forms/search-vertical-alignment-expected.txt:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@177006 268f45cc-cd09-0410-ab3c-d52691b4dbfc