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This is a reland of 0af7d7aa

Original change's description:
> [XProto] Remove all remaining non-event usages of XRandR
>
> BUG=1066670
> R=msisov
> CC=sky
>
> Change-Id: Iecd593c0c77878a80bf84e9e3c504fd90815db6c
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2220686
> Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
> Reviewed-by: Maksim Sisov <msisov@igalia.com>
> Reviewed-by: Jamie Walch <jamiewalch@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#773876}

Bug: 1066670
R=msisov
TBR=jamiewalch

Change-Id: Id24ace289778fc9f6feb8de9ed2744a2630be766
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2226785Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Auto-Submit: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#774348}