GitLab

This a purely mechnical CL that renames some classes to better represent
their semantics

Bug: 1044034
Change-Id: Ie3135591ca3cb9a8313fa40a81ca38b227ccb93c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2019029
Commit-Queue: Mohamed Amir Yosef <mamir@chromium.org>
Reviewed-by: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735010}