[tracing] Remove event callback mode in TraceLog

[tracing] Remove event callback mode in TraceLog

This is not used by any component, so cleaning up TraceLog.

BUG=625170
Committed: https://crrev.com/6ae272f6720806e97b1d3bfcb271e1c399dc15de
Cr-Commit-Position: refs/heads/master@{#425192}

[ssid, 2016-09-21 21:40:48]

The CQ bit was checked by ssid@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-09-21 21:41:35]

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

[ssid, 2016-09-22 00:38:37]

ssid@chromium.org changed reviewers:
+ oysteine@chromium.org

[ssid, 2016-09-22 00:38:37]

ptal thanks

[commit-bot: I haz the power, 2016-09-22 00:40:09]

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

[commit-bot: I haz the power, 2016-09-22 00:40:10]

Dry run: This issue passed the CQ dry run.

[fmeawad, 2016-09-22 00:40:26]

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

[fmeawad, 2016-09-22 00:40:26]

drive by comment

https://codereview.chromium.org/2354163002/diff/20001/base/trace_event/trace_...
File base/trace_event/trace_log.h (right):

https://codereview.chromium.org/2354163002/diff/20001/base/trace_event/trace_...
base/trace_event/trace_log.h:58: // Category group enabled to export events to
ETW.
Leave a comment on why why jump to 3

[oystein (OOO til 10th of July), 2016-09-22 19:22:24]

Woop woop! code-- always makes my day.

lgtm ~ fadi's comment.

[ssid, 2016-10-13 20:57:23]

Thanks

https://codereview.chromium.org/2354163002/diff/20001/base/trace_event/trace_...
File base/trace_event/trace_log.h (right):

https://codereview.chromium.org/2354163002/diff/20001/base/trace_event/trace_...
base/trace_event/trace_log.h:58: // Category group enabled to export events to
ETW.
On 2016/09/22 00:40:26, fmeawad wrote:
> Leave a comment on why why jump to 3

Done.

[ssid, 2016-10-13 20:57:29]

The CQ bit was checked by ssid@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-13 20:58:12]

Dry run: 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, 2016-10-13 22:21:33]

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

[commit-bot: I haz the power, 2016-10-13 22:21:34]

Dry run: This issue passed the CQ dry run.

[ssid, 2016-10-13 22:22:24]

The CQ bit was checked by ssid@chromium.org

[ssid, 2016-10-13 22:22:24]

The patchset sent to the CQ was uploaded after l-g-t-m from
oysteine@chromium.org
Link to the patchset: https://codereview.chromium.org/2354163002/#ps40001
(title: "Add comment.")

[commit-bot: I haz the power, 2016-10-13 22:22:52]

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, 2016-10-13 22:28:31]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-10-13 22:32:09]

Description was changed from

==========
[tracing] Remove event callback mode in TraceLog

This is not used by any component, so cleaning up TraceLog.

BUG=625170
==========

to

==========
[tracing] Remove event callback mode in TraceLog

This is not used by any component, so cleaning up TraceLog.

BUG=625170

Committed: https://crrev.com/6ae272f6720806e97b1d3bfcb271e1c399dc15de
Cr-Commit-Position: refs/heads/master@{#425192}
==========

[commit-bot: I haz the power, 2016-10-13 22:32:10]

Patchset 3 (id:??) landed as
https://crrev.com/6ae272f6720806e97b1d3bfcb271e1c399dc15de
Cr-Commit-Position: refs/heads/master@{#425192}