What it says is can be summarized as "follow the style guide" plus some
notes about TODOs that don't reflect reality.

Change-Id: I058a2d11a505c4f9a57f518daa142cc1240109d5
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1649354Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62245}