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- Modify the new toolbar's input field to display the current zoom
  level.
- Also update the fitting for the new toolbar for fit to width and fit
  to page to account for the toolbar height, since the new toolbar does
  not auto-hide.

Bug: 1105701
Change-Id: I34c0cf26f1d570023ea9904dd63da0da703e7781
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2303991Reviewed-by: dpapad <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789720}