Clear StartTracingDoneCallback after usage

Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is
used. This CL fixes it.

BUG=542390
Committed: https://crrev.com/e77ab9d122f0c28a9fd59e6cc9c884cd71a710d2
Cr-Commit-Position: refs/heads/master@{#370811}

[Zhen Wang, 2016-01-20 19:11:33]

Description was changed from

==========
Clear StartTracingDoneCallback after usage

BUG=542390
==========

to

==========
Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is 
used. This CL fixes it.

BUG=542390
==========

[Zhen Wang, 2016-01-20 19:38:25]

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

[Zhen Wang, 2016-01-20 19:38:25]

ptal

[shatch, 2016-01-21 15:41:11]

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

[shatch, 2016-01-21 15:41:11]

lgtm

[oystein (OOO til 10th of July), 2016-01-21 15:57:03]

https://codereview.chromium.org/1612583002/diff/1/content/browser/tracing/tra...
File content/browser/tracing/tracing_controller_impl.cc (right):

https://codereview.chromium.org/1612583002/diff/1/content/browser/tracing/tra...
content/browser/tracing/tracing_controller_impl.cc:274:
start_tracing_done_callback_ = StartTracingDoneCallback();
I think you can do start_tracing_done_callback_.Reset()?

[oystein (OOO til 10th of July), 2016-01-21 15:57:16]

other than that: lgtm

[Zhen Wang, 2016-01-21 21:14:05]

Thanks guys! :)

https://codereview.chromium.org/1612583002/diff/1/content/browser/tracing/tra...
File content/browser/tracing/tracing_controller_impl.cc (right):

https://codereview.chromium.org/1612583002/diff/1/content/browser/tracing/tra...
content/browser/tracing/tracing_controller_impl.cc:274:
start_tracing_done_callback_ = StartTracingDoneCallback();
On 2016/01/21 15:57:03, Oystein wrote:
> I think you can do start_tracing_done_callback_.Reset()?

Done.

[Zhen Wang, 2016-01-21 21:14:16]

The CQ bit was checked by zhenw@chromium.org

[Zhen Wang, 2016-01-21 21:14:17]

The patchset sent to the CQ was uploaded after l-g-t-m from
oysteine@chromium.org, simonhatch@chromium.org
Link to the patchset: https://codereview.chromium.org/1612583002/#ps20001
(title: "review fix")

[commit-bot: I haz the power, 2016-01-21 21:15:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1612583002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1612583002/20001

[commit-bot: I haz the power, 2016-01-21 22:44:00]

Description was changed from

==========
Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is 
used. This CL fixes it.

BUG=542390
==========

to

==========
Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is 
used. This CL fixes it.

BUG=542390
==========

[commit-bot: I haz the power, 2016-01-21 22:44:01]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-01-21 22:45:49]

Description was changed from

==========
Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is 
used. This CL fixes it.

BUG=542390
==========

to

==========
Clear StartTracingDoneCallback after usage

Currently StartTracingDoneCallback is not cleared after it is
used. This CL fixes it.

BUG=542390

Committed: https://crrev.com/e77ab9d122f0c28a9fd59e6cc9c884cd71a710d2
Cr-Commit-Position: refs/heads/master@{#370811}
==========

[commit-bot: I haz the power, 2016-01-21 22:45:50]

Patchset 2 (id:??) landed as
https://crrev.com/e77ab9d122f0c28a9fd59e6cc9c884cd71a710d2
Cr-Commit-Position: refs/heads/master@{#370811}