Revert of Use trace-pc-guard for libFuzzer.

Revert of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of https://codereview.chromium.org/2665243002/ )

Reason for revert:
causing build failures: https://crbug.com/687570

Original issue's description:
> Use trace-pc-guard for libFuzzer.
> 
> BUG=651540
> 
> Review-Url: https://codereview.chromium.org/2665243002
> Cr-Commit-Position: refs/heads/master@{#447392}
> Committed: https://chromium.googlesource.com/chromium/src/+/002dca9ca557b96939ed99ae9450dcb42f5d1620

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromium.org,dpranke@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651540
Review-Url: https://codereview.chromium.org/2668093004
Cr-Commit-Position: refs/heads/master@{#447552}
Committed: https://chromium.googlesource.com/chromium/src/+/23d6de2177b812285946bce6f459815799d825c5

[Oliver Chang, 2017-02-01 17:45:12]

The CQ bit was checked by ochang@chromium.org

[Oliver Chang, 2017-02-01 17:45:12]

Created Revert of Use trace-pc-guard for libFuzzer.

[commit-bot: I haz the power, 2017-02-01 17:45:26]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-01 17:46:05]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485971112566540, "parent_rev":
"b227a4e9a84a3faae02a125085a49906e1b4c54a", "commit_rev":
"23d6de2177b812285946bce6f459815799d825c5"}

[commit-bot: I haz the power, 2017-02-01 17:46:45]

Description was changed from

==========
Revert of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of
https://codereview.chromium.org/2665243002/ )

Reason for revert:
causing build failures: https://crbug.com/687570

Original issue's description:
> Use trace-pc-guard for libFuzzer.
> 
> BUG=651540
> 
> Review-Url: https://codereview.chromium.org/2665243002
> Cr-Commit-Position: refs/heads/master@{#447392}
> Committed:
https://chromium.googlesource.com/chromium/src/+/002dca9ca557b96939ed99ae9450...

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651540
==========

to

==========
Revert of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of
https://codereview.chromium.org/2665243002/ )

Reason for revert:
causing build failures: https://crbug.com/687570

Original issue's description:
> Use trace-pc-guard for libFuzzer.
> 
> BUG=651540
> 
> Review-Url: https://codereview.chromium.org/2665243002
> Cr-Commit-Position: refs/heads/master@{#447392}
> Committed:
https://chromium.googlesource.com/chromium/src/+/002dca9ca557b96939ed99ae9450...

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromi...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=651540

Review-Url: https://codereview.chromium.org/2668093004
Cr-Commit-Position: refs/heads/master@{#447552}
Committed:
https://chromium.googlesource.com/chromium/src/+/23d6de2177b812285946bce6f459...
==========

[commit-bot: I haz the power, 2017-02-01 17:46:46]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/23d6de2177b812285946bce6f459...

[Dirk Pranke, 2017-02-01 18:31:56]

lgtm

[Oliver Chang, 2017-02-02 18:39:15]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2672853002/ by ochang@chromium.org.

The reason for reverting is: Got upgraded builders..