GitLab

- Makes history_ui_egtest comply with eg2. Uses
- Adds HistoryEntry to ChromeMatchers.
- Creates ios/chrome/browser/ui/history:eg2_tests and moves history_ui_egtest
to it.
- Adds ios/chrome/browser/ui/history:eg2_tests to test/earl_grey BUILD.gn

Change-Id: I315da4b84a99d27d281f0378771b3f7b3fd3f660
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1980553Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Sergio Collazos <sczs@chromium.org>
Cr-Commit-Position: refs/heads/master@{#727213}