R=ahaas@chromium.org
TEST=cctest/test-wasm-shared-engine

Change-Id: I1f1b643089206805bc88e8898db6bf94093291b5
Reviewed-on: https://chromium-review.googlesource.com/1154916Reviewed-by: Andreas Haas <ahaas@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54789}