Add a regression test for feTurbulence seeds that generate zero vectors.

Originally from https://bugs.webkit.org/show_bug.cgi?id=140812, by
Nikos Andronikos.

BUG=453960

Review URL: https://codereview.chromium.org/882173004

git-svn-id: svn://svn.chromium.org/blink/trunk@189438 bbb929c8-8fbe-4397-9dbb-9b2b20218538
2 files changed
tree: 026120e007a5762e81eb2896bdb67ce6d2455a90
  1. third_party/