No need to go via the {ModuleEnv} in the {CompilationState}.

R=mstarzinger@chromium.org

Change-Id: I11ff647824ad107131ce329453b365d6ecaec7fb
Reviewed-on: https://chromium-review.googlesource.com/1118561Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54102}