Reland of Use trace-pc-guard for libFuzzer.

Reland of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of https://codereview.chromium.org/2668093004/ )

Reason for revert:
Got upgraded builders.

Original issue's description:
> 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

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromium.org,dpranke@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=651540
Review-Url: https://codereview.chromium.org/2672853002
Cr-Commit-Position: refs/heads/master@{#447825}
Committed: https://chromium.googlesource.com/chromium/src/+/28fbc2f08338a66ed15e96fd2841c66cbbda212f

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

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

[inferno, 2017-02-02 18:51:27]

The CQ bit was checked by inferno@chromium.org

[inferno, 2017-02-02 18:51:27]

lgtm

[commit-bot: I haz the power, 2017-02-02 18:51:53]

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

[Dirk Pranke, 2017-02-02 19:05:24]

lgtm

[commit-bot: I haz the power, 2017-02-02 20:02:19]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486061487478100, "parent_rev":
"89b429b2337fefde477cfedf58a5f93d708c2048", "commit_rev":
"28fbc2f08338a66ed15e96fd2841c66cbbda212f"}

[commit-bot: I haz the power, 2017-02-02 20:03:53]

Description was changed from

==========
Reland of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of
https://codereview.chromium.org/2668093004/ )

Reason for revert:
Got upgraded builders.

Original issue's description:
> 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...

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromi...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=651540
==========

to

==========
Reland of Use trace-pc-guard for libFuzzer. (patchset #1 id:1 of
https://codereview.chromium.org/2668093004/ )

Reason for revert:
Got upgraded builders.

Original issue's description:
> 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...

TBR=inferno@chromium.org,kcc@chromium.org,aizatsky@chromium.org,mmoroz@chromi...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=651540

Review-Url: https://codereview.chromium.org/2672853002
Cr-Commit-Position: refs/heads/master@{#447825}
Committed:
https://chromium.googlesource.com/chromium/src/+/28fbc2f08338a66ed15e96fd2841...
==========

[commit-bot: I haz the power, 2017-02-02 20:03:55]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/28fbc2f08338a66ed15e96fd2841...

[Oliver Chang, 2017-02-03 16:59:58]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2675983002/ by ochang@chromium.org.

The reason for reverting is: Still borked on bots..