See
https://clang.llvm.org/extra/clang-tidy/checks/google-readability-casting.html
and https://google.github.io/styleguide/cppguide.html#Casting.

Change-Id: Ic40a585e034e804da9ded1563e85f6dd44506da1
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2233988Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68300}