Non-rect polygons are not covered in GM cases, such as triangle, trapezoid, diamond, polygons with lots of edges, concave polygons, etc, especially for stroke-style and stroke-and-fill style painters. So add a GM case to avoid potential rendering errors.

R=bsalomon@google.com, robertphillips@google.com

Author: yunchao.he@intel.com

Review URL: https://codereview.chromium.org/80483002

git-svn-id: http://skia.googlecode.com/svn/trunk@12413 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed