tree cfa01ec4f0e0b14b1e83639d0e1494d38e8f998c
parent 64492c43c3faee7ab0f69b1c84e0267616f85e52
author caryclark <caryclark@google.com> 1449577785 -0800
committer Commit bot <commit-bot@chromium.org> 1449577785 -0800

Zero length lines may have caps, but do not need joins.

Check to see if the point is preceeded or followed
by a line with a computable tangent before adding the join.

R=reed@google.com
BUG=566075

Review URL: https://codereview.chromium.org/1504043002