The CheckObjectCoercible abstract operation was renamed to
RequireObjectCoercible a while ago.
https://tc39.github.io/ecma262/#sec-requireobjectcoercible

This patch updates our macro name accordingly.

BUG=v8:3577,v8:6921

Cq-Include-Trybots: master.tryserver.v8:v8_linux_noi18n_rel_ng
Change-Id: I1301b650aba67fda46bb2167d9ebd0c63840466c
Reviewed-on: https://chromium-review.googlesource.com/730495
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Reviewed-by: Adam Klein <adamk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48803}