GitLab

A document page count was being passed around in a bunch of places
only to record it as a metric. Since this metric is now obsolete and
no longer being recorded, remove this extra parameter where it isn't
needed.

Bug: None
Change-Id: I2723b8af1786c4bf5fbfdad8f7c66b25959f7408
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1937586Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722598}