Refactor conversion of EntryDefinition to JS base::Value into common function

Bug: 878324
Change-Id: Id16a867906c6e8744be9b1829ee829c2e8b9d27e
Reviewed-on: https://chromium-review.googlesource.com/1220849
Reviewed-by: Sergei Datsenko <dats@chromium.org>
Commit-Queue: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590604}
5 files changed