Import the tests in https://github.com/w3c/csswg-test/tree/master/css-color-3.
Created attachment 260595 [details] Imports the tests
Comment on attachment 260595 [details] Imports the tests r=me provided that EWS is happy.
Committed r189353: <http://trac.webkit.org/changeset/189353>
<rdar://problem/22579103>
Some of this tests fail on the GTK port. Reported that on bug 148932