This patch adds objects support for Runtime.callFunctionOn arguments.

R=kozy

Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I9e9ad000482aa556f10a632b89c2f91fdc21ff1e
Reviewed-on: https://chromium-review.googlesource.com/636353Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Commit-Queue: Andrey Lushnikov <lushnikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47624}