Revert of Suppress races on ConvertableToTraceFormat refcounters.

Revert of Suppress races on ConvertableToTraceFormat refcounters. (patchset #1 id:1 of https://codereview.chromium.org/1602773002/ )

Reason for revert:
AsConvertableToTraceFormat should not be racy anymore after
the mega-tracing refactoring of crrev.com/1717283003

Original issue's description:
> Suppress races on ConvertableToTraceFormat refcounters.
> 
> BUG=559117
> TBR=reillyg@chromium.org
> NOTRY=true
> 
> Committed: https://crrev.com/78c43a90883198b3e2c86c994507ab8cba0aac87
> Cr-Commit-Position: refs/heads/master@{#370033}

TBR=reillyg@chromium.org,glider@chromium.org
BUG=559117

[Primiano Tucci (use gerrit), 2016-03-08 11:03:09]

Created Revert of Suppress races on ConvertableToTraceFormat refcounters.

[Primiano Tucci (use gerrit), 2016-03-08 11:03:33]

Description was changed from

==========
Revert of Suppress races on ConvertableToTraceFormat refcounters. (patchset #1
id:1 of https://codereview.chromium.org/1602773002/ )

Reason for revert:
AsConvertableToTraceFormat should not be racy anymore after the mega-tracing
refactoring of 
crrev.com/1717283003

Original issue's description:
> Suppress races on ConvertableToTraceFormat refcounters.
> 
> BUG=559117
> TBR=reillyg@chromium.org
> NOTRY=true
> 
> Committed: https://crrev.com/78c43a90883198b3e2c86c994507ab8cba0aac87
> Cr-Commit-Position: refs/heads/master@{#370033}

TBR=reillyg@chromium.org,glider@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=559117
==========

to

==========
Revert of Suppress races on ConvertableToTraceFormat refcounters. (patchset #1
id:1 of https://codereview.chromium.org/1602773002/ )

Reason for revert:
AsConvertableToTraceFormat should not be racy anymore after
the mega-tracing refactoring of crrev.com/1717283003

Original issue's description:
> Suppress races on ConvertableToTraceFormat refcounters.
> 
> BUG=559117
> TBR=reillyg@chromium.org
> NOTRY=true
> 
> Committed: https://crrev.com/78c43a90883198b3e2c86c994507ab8cba0aac87
> Cr-Commit-Position: refs/heads/master@{#370033}

TBR=reillyg@chromium.org,glider@chromium.org
BUG=559117
==========

[Sami, 2016-03-08 11:05:20]

skyostil@chromium.org changed reviewers:
+ skyostil@chromium.org

[Sami, 2016-03-08 11:05:20]

lgtm yay

[Primiano Tucci (use gerrit), 2016-03-08 11:06:36]

The CQ bit was checked by primiano@chromium.org

[commit-bot: I haz the power, 2016-03-08 11:06:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1777483002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1777483002/1

[commit-bot: I haz the power, 2016-03-08 11:08:31]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-03-08 11:08:32]

Try jobs failed on following builders:
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

[Primiano Tucci (use gerrit), 2016-03-08 11:09:10]

On 2016/03/08 11:08:32, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)

sadtrombone.com, 3 way merge fail. Falling back to good old manual conflict
resolution.

[Primiano Tucci (use gerrit), 2016-03-08 11:15:38]

On 2016/03/08 11:09:10, Primiano wrote:
> On 2016/03/08 11:08:32, commit-bot: I haz the power wrote:
> > Try jobs failed on following builders:
> >   ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
> >
>
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
> 
> http://sadtrombone.com, 3 way merge fail. Falling back to good old manual
conflict
> resolution.

Ok I needed a different change. CLosing this issue.
https://codereview.chromium.org/1772873004/ is the right revert.