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This reverts commit c5f7284b.

Reason for revert: 
suspect causing base_unittests failure on linux-chromeos-google-rel and chromeos-betty-google-rel:
- StackTraceTest.OutputToStream

Sample build: https://ci.chromium.org/p/chrome/builders/ci/linux-chromeos-google-rel/8635

Sample log: https://logs.chromium.org/logs/chrome/buildbucket/cr-buildbucket.appspot.com/8897671078839178960/+/steps/base_unittests/0/logs/Deterministic_failure:_StackTraceTest.OutputToStream__status_FAILURE_/0

Original change's description:
> [base] Cleanup StackTraceTest.OutputToStream #ifdef soup.
> 
> Change-Id: I7e43ea82867177c1aeab089f8f1e35abb802d1a1
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1780074
> Commit-Queue: Wez <wez@chromium.org>
> Reviewed-by: Albert J. Wong <ajwong@chromium.org>
> Auto-Submit: Wez <wez@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#712377}

TBR=ajwong@chromium.org,wez@chromium.org

Change-Id: I082cc38b748df06ce86324b13d2cd45dbdf1c7a6
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1898888Reviewed-by: Takashi Sakamoto <tasak@google.com>
Commit-Queue: Takashi Sakamoto <tasak@google.com>
Cr-Commit-Position: refs/heads/master@{#712413}