GitLab

Also move the function and its helpers to ModuleCache.

BUG=803276
TBR=dcheng@chromium.org
TBR=wittman@chromium.org

Reviewed-on: https://chromium-review.googlesource.com/1166206Reviewed-by: Mike Wittman <wittman@chromium.org>
Change-Id: I28ad62df7a3f2f597f1a4f36069c51b541e7dc29
Reviewed-on: https://chromium-review.googlesource.com/1169533Reviewed-by: Alexei Filippov <alph@chromium.org>
Commit-Queue: Alexei Filippov <alph@chromium.org>
Cr-Commit-Position: refs/heads/master@{#581963}