I have the same issue with 53.0.2785.143-0ubuntu1.1307 on 16.10 (yakkety).
The issue is fixed by the Chromium 54 build in the ~canonical-chromium-builds PPA.
I have the same issue with 53.0.2785. 143-0ubuntu1. 1307 on 16.10 (yakkety).
The issue is fixed by the Chromium 54 build in the ~canonical- chromium- builds PPA.