GetName() is very generic and arleady exists as virtual method in Blink.

Bug: chromium:1056170
Change-Id: I7aa6e869a06c048e7baea45939894717c872d89e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2947404
Auto-Submit: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75024}