mask-*-1a.html: test cases for indirect mask painting.(nsDisplayMask::PaintAsLayer)
mask-*-1b.html: test cases for painting mask on mask layer.(nsDisplayMask::PaintMask)
MozReview-Commit-ID: K9BK4MlnpBE
--HG--
extra : rebase_source : 968bc221e28cd9c60927526ee719c0ceffeeab18