GitLab

Remove the zoom toolbar from the UI when the PDFViewerUpdate flag is
on, since zoom controls will be located in the main toolbar in this
case.

Bug: 1099550
Change-Id: I754c2e69130da4b8463a2d928ba7af8656ee1ec2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2269486
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Reviewed-by: dpapad <dpapad@chromium.org>
Cr-Commit-Position: refs/heads/master@{#783778}