Navi: Add C++ policy check for DefaultBrowserSettingEnabled.

This change will be necessary in order to skip onboarding if all modules
are disabled by policy.

Bug: 951840
Change-Id: I305ae446732517db26a1b5ee096276e6c2ee7fd0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1572640
Commit-Queue: Hector Carmona <hcarmona@chromium.org>
Reviewed-by: Dan Beam <dbeam@chromium.org>
Cr-Commit-Position: refs/heads/master@{#652407}
1 file changed