Revert of Fix CPU profiler deadlock on Windows + AMD CPU. (patchset #1 id:1 of https://codereview.chromium.org/
1304873011/ )
Reason for revert:
Broke a test
Original issue's description:
> Fix CPU profiler deadlock on Windows + AMD CPU.
>
> Implement a lock free version of RolloverProtectedTickClock::Now
> to eliminate a deadlock.
>
> BUG=chromium:521420
> LOG=Y
>
> Committed: https://crrev.com/
d6db8e5902af1f067f0f149844f4e92824ee93f3
> Cr-Commit-Position: refs/heads/master@{#30489}
TBR=yurys@chromium.org,caseq@chromium.org,bmeurer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:521420
Review URL: https://codereview.chromium.org/
1303423006
Cr-Commit-Position: refs/heads/master@{#30490}