GitLab

This change is just renaming files, changing header guards, include
directives, and build files to match the new names.

Bug: 1151106

Change-Id: Ia52ff972d3cee0d6623cfd051be7cababafbdce8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2551852Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Sorin Jianu <sorin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#829881}