GitLab

The enableUseZoomForDSF method is not used in tests. The check for it
being enabled does not need to go through WebTestDelegate anymore.

R=avi@chromium.org

Bug: 866140
Change-Id: I19d23b5e0835d2f2428fa88ae5c35bc0fa035b7a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2148816Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: danakj <danakj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#758980}