During bootstapping installing native functions may cause
map transitions. There are no dependent code groups, but
the assertion still triggers.

BUG=chromium:617892

Change-Id: Id7cb87575a0fe176e7aff785d4dd249db44deec8
Reviewed-on: https://chromium-review.googlesource.com/457036Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43898}