Unreviewed update of GTK expectations.

Canvas composite tests with alpha are not working.

* platform/gtk/TestExpectations:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@166873 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[CSS Shapes] Clean up invalid FIXME
https://bugs.webkit.org/show_bug.cgi?id=131304

Reviewed by Andreas Kling.

No new tests, no behavior change.

* page/animation/CSSPropertyAnimation.cpp:
(WebCore::blendFunc):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@166874 268f45cc-cd09-0410-ab3c-d52691b4dbfc