GitLab

This is the first step in registering Windows file associations
for web apps, when a web app is installed whose manifest specifies
that it can handle specific file extensions.

Bug: 960245
Change-Id: I8a2c8932cb69af5caf7c79f11f7881fad0687b3f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1788117Reviewed-by: Alexey Baskakov <loyso@chromium.org>
Commit-Queue: David Bienvenu <davidbienvenu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#695123}