GitLab

Refactor to remove duplicate code that connects to a page for several
session types.

Bug: chromedriver:2126
Change-Id: I37713cce11082fd28761018c71c69f3b400b1071
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1776798
Commit-Queue: Tricia Crichton <triciac@chromium.org>
Reviewed-by: John Chen <johnchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691853}