This is a reland of 5d69010e

Original change's description:
> [asmjs] Properly validate asm.js heap sizes
> 
> Enforce both engine limitations and spec (http://asmjs.org/spec/latest/)
> limitations on the size of asm.js heaps.
> 
> R=clemensh@chromium.org
> CC=​mstarzinger@chromium.org
> 
> Bug: chromium:873600
> Change-Id: I104c23bbd0a9a7c494f97f8f9e83ac5a37496dfd
> Reviewed-on: https://chromium-review.googlesource.com/1174411
> Commit-Queue: Ben Titzer <titzer@chromium.org>
> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55163}

Bug: chromium:873600
Change-Id: Id24070bda3aafb9e1a32af0732a1b18f633ef932
Reviewed-on: https://chromium-review.googlesource.com/1179681
Commit-Queue: Ben Titzer <titzer@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55193}