vm97-m4 currently fails the layout test dependency check with;
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10:45:20.545 6076 Checking system dependencies ...
10:45:20.592 6076 "e:\b\swarm_slave\w\ir\out\Release\content_shell.exe --check-layout-test-sys-deps" took 0.05s
10:45:20.592 6076 System dependencies check failed.
10:45:20.592 6076 To override, invoke with --nocheck-sys-deps
10:45:20.592 6076 
10:45:20.592 6076 Must use normal size fonts (96 dpi).

Must use either the Aero or Basic theme.

10:45:20.593 6076 
10:45:20.593 6076 For complete build requirements, please see:
10:45:20.593 6076 https://chromium.googlesource.com/chromium/src/+/master/docs/windows_build_instructions.md
10:45:20.593 6076 
10:45:20.593 6076 Testing completed, Exit status: 252
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See https://chromium-swarm.appspot.com/task?id=3698ffbfb24adb10&refresh=10&show_raw=1

Can you please reimage / rebuild this bot?