GitLab

Add support for Google API Key when provided through the config file
read by WebEngine.

      key present.

Test: Manually tested. Safe Sites functionality works without another
Bug: 1160130
Change-Id: I8b0fef7aa4892e130e0b6d423dc63e733e05aca6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2613649
Commit-Queue: Sharon Yang <yangsharon@chromium.org>
Reviewed-by: Wez <wez@chromium.org>
Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Reviewed-by: David Dorwin <ddorwin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#843741}