tree 01d1f0c6e65010b16f99b140eda9e724e4c8cae6
parent 8da9e940721168143d6296f578b6d7423de55d69
author Mike Reed <reed@google.com> 1489160985 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1489163372 +0000

re-guard against negative dimensions on no-draw canvas

We used to (incidentally) guard for this when we used bitmapdevice as our backnig.
Now that we have a (faster) nodrawdevice, we need to explicitly guard for it.

BUG=skia:

Change-Id: I9cbbf064cbfced78f0004a2e5aff60aa3ded6215
Reviewed-on: https://skia-review.googlesource.com/9530
Reviewed-by: Derek Sollenberger <djsollen@google.com>
Commit-Queue: Mike Reed <reed@google.com>