OpenCL implementation of FEMerge filter.
https://bugs.webkit.org/show_bug.cgi?id=110193

Patch by Tamas Czene <tczene@inf.u-szeged.hu> on 2013-02-21
Reviewed by Zoltan Herczeg.

In case of odd number of parameters the first parameter is copied to the destination image and
the rest of the parameters are merged in pairs.

* Target.pri:
* platform/graphics/filters/FEMerge.h:
(FEMerge):
* platform/graphics/gpu/opencl/FilterContextOpenCL.h:
(WebCore::FilterContextOpenCL::FilterContextOpenCL):
(FilterContextOpenCL):
* platform/graphics/gpu/opencl/OpenCLFEMerge.cpp: Added.
(WebCore):
(WebCore::FilterContextOpenCL::compileFEMerge):
(WebCore::FilterContextOpenCL::copy): This is a simple copy method.
(WebCore::FilterContextOpenCL::applyFEMerge):
(WebCore::FEMerge::platformApplyOpenCL):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143578 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Qt] Unreviewed gardening.

* platform/qt-5.0-wk2/TestExpectations: Skip failing reftests.
* platform/qt/TestExpectations: Skip failing tests after r143541 and r110447.
* platform/qt/fast/dom/constructed-objects-prototypes-expected.txt: Rebaselining after r143505.
* platform/qt/fast/js/global-constructors-expected.txt: Rebaselining after r143505.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@143579 268f45cc-cd09-0410-ab3c-d52691b4dbfc