use conservative bounds to disable clipping

Bug: skia:6754
Change-Id: I658e7e7a176395eff7e239093fbad8038a4141ad
Reviewed-on: https://skia-review.googlesource.com/107884
Reviewed-by: Cary Clark <caryclark@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed