GitLab

JS return types.

Previously only strings could be returned which led to double
conversions.

Bug: 1075444
Change-Id: Ibf9cee2e03143654c21c8c48d9219b20e52a7cb8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2340969
Commit-Queue: Maria Kazinova <kazinova@google.com>
Reviewed-by: Vadym Doroshenko  <dvadym@chromium.org>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#796226}