GitLab

This CL adds a new layout test to make sure that the following APIs:
lineWidth
lineDash
lineDashOffset
works properly with browser zoom.

Bug: 849706
Change-Id: I07c07e688203c26b2b2223377da88591a44a4e55
Reviewed-on: https://chromium-review.googlesource.com/1088870Reviewed-by: Stephen McGruer <smcgruer@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#564932}