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These pass on Windows.

This requires (mostly) reverting
https://chromium-review.googlesource.com/c/chromium/src/+/1005103 .
The revert is not perfect since many things changed since that CL
initially landed (e.g. various tests got disabled).

Bug: 658005, 678472, 817408, 828031, 843599, 849146, 863945
Change-Id: I23a3010be1faf962e0a2dfbaaa4a57a3e2cc89d3
Reviewed-on: https://chromium-review.googlesource.com/c/1351874Reviewed-by: Ben Wells <benwells@chromium.org>
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
Reviewed-by: Dmitry Gozman <dgozman@chromium.org>
Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619483}