GitLab

Moves |createHistoricalTab| to TabState as a static helper method.
TabState already provides a method creating a historical Tab from
WebContentsState, so could be a good fit for hosting another
creating Tab from WebContents.

Bug: 995903
Change-Id: Ied744eb3292a9b0793f0baf93abdaf84ac8aac0a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1846613Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Jinsuk Kim <jinsukkim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704428}