GitLab

Add a function that'll return to WebUI the top 5 recently launched
installed apps sorted by site engagement) that have engagement within
the specified time period. Time period will be specified by the window
that the user selects in the clear browsing data dialog. This list of
apps will be used to warn users that they will be clearing data for
installed apps, similar to what is done on Android for important sites.

Bug: 997258
Change-Id: I7e06b6e000ffd0b2eec6173de22cc9b69c380659
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1906876
Commit-Queue: Jarryd Goodman <jarrydg@chromium.org>
Reviewed-by: Michael Wasserman <msw@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#722628}