[GM2 Cleanup] request_type.cc

#chrome-refresh-2023-cleanup

Bug: 335903961
Change-Id: I4a091b9182985dd3f91fd38eff0341883c709aa1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5606506


Commit-Queue: Dana Fried <dfried@chromium.org>
Code-Coverage: findit-for-me@appspot.gserviceaccount.com <findit-for-me@appspot.gserviceaccount.com>
Auto-Submit: Dana Fried <dfried@chromium.org>
Reviewed-by: Ravjit Uppal <ravjit@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1312010}