commit 4d09c7c555d6e938969321069737f8f228888782
author Mohammad Refaat <mrefaat@chromium.org> Fri Sep 13 17:22:58 2019
committer Mohammad Refaat <mrefaat@chromium.org> Fri Sep 13 17:22:58 2019
tree f60f4c0c17b5e89c4d068b1ef79d24daf59d1b9b
parent c73f02ad97bc4493790c1b8c1ff00991354faaf6

[Merge 77] Stop disabling WebUsage before clearing browsing data for iOS 13

This should fix the problem of cookies not clearing consistently
on iOS 13.
More details are on the crbug comments.

Also Change onViewUpdated on web_frames_manager_impl to remove all
messages instead of looking for specific messages. This is needed
as removing specific messages DCHECKs if the message is not registered.
and during the Purge which happens in clear browsing data the message
router is destroyed so there will be no messages in the registered with
the webview.

TEST= I tested manually on ipad, iphone for both iOS 12 & 13 on devices
, a test on the simulator is meaningless as the simulator doesn't use
the same cookie storage that the device use. There exist unit tests but
they will not fail in the case that i'm fixing because in these tests
we set cookies manually and this current case happen when cookies are set
by the web view. I'll discuss further creating EG tests to test the failed
scenario using a browsing test page that can set/get cookies.

(cherry picked from commit d03761396d4e85f8d42ffa571377acff9ba3b6f8)

Bug: 997172, 956516
Change-Id: I3befee1bf38ac1d3d86c33e50bbbbd4fb9e75ec9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1791629
Commit-Queue: Mohammad Refaat <mrefaat@chromium.org>
Reviewed-by: Mark Cogan <marq@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Mike Dougherty <michaeldo@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#695709}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1802438
Reviewed-by: Mohammad Refaat <mrefaat@chromium.org>
Cr-Commit-Position: refs/branch-heads/3865@{#793}
Cr-Branched-From: 0cdcc6158160790658d1f033d3db873603250124-refs/heads/master@{#681094}