need to clamp all of the cubic points after a chop, in case our finite precision
meant we didn't compute values below the chop-point.

crbug:234190

R=caryclark@google.com

Review URL: https://codereview.chromium.org/14607012

git-svn-id: http://skia.googlecode.com/svn/trunk@9071 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed