{LogWasmCodes} is independent of the runtime object, so it should be
defined on the {NativeModule}.

R=herhut@chromium.org

Change-Id: I1202b18264ef0367004ba80e0030b057c633b62f
Reviewed-on: https://chromium-review.googlesource.com/1102424Reviewed-by: Stephan Herhut <herhut@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53764}