GitLab

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/17e3806..f1b7a1d

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=robertphillips@google.com

Commits in this roll:
f1b7a1d bsalomon@google.com Make skpaint->grpaint flow work for composing draws (verts and atlas)
67c6513 reed@google.com EdgeClip demo to show scan-converter clipping behavior

Review URL: https://codereview.chromium.org/1376493002

Cr-Commit-Position: refs/heads/master@{#351070}