GitLab

Mixed content autoupgrades are currently completely disabled for
webview, this makes them controllable with a webview specific
variations flag. Flag is also exposed in AW devtools.

Bug: 1139424
Change-Id: I9095cdd98eef0136106d087af3f1f104784d3dd6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2480817Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Carlos IL <carlosil@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818568}