Notification histograms should be thread-safe statics

Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188
Committed: https://crrev.com/2bf6a1f6379b1c1715ea5db0cb65d17e7884563b
Cr-Commit-Position: refs/heads/master@{#393252}

[Peter Beverloo, 2016-05-12 13:55:58]

peter@chromium.org changed reviewers:
+ mvanouwerkerk@chromium.org

[Peter Beverloo, 2016-05-12 13:55:58]

+mvanouwerkerk

[Peter Beverloo, 2016-05-12 13:56:15]

Description was changed from

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

BUG=592188
==========

to

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188
==========

[Peter Beverloo, 2016-05-12 13:56:26]

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

[commit-bot: I haz the power, 2016-05-12 13:56:36]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1975803002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1975803002/1

[Michael van Ouwerkerk, 2016-05-12 14:18:57]

Nice, thanks. No idea how that got past the try bots... do we never exercise the
scenario of run from document then run from worker?

lgtm

[Peter Beverloo, 2016-05-12 14:29:13]

On 2016/05/12 14:18:57, Michael van Ouwerkerk wrote:
> Nice, thanks. No idea how that got past the try bots... do we never exercise
the
> scenario of run from document then run from worker?
> 
> lgtm

I don't know why we're not seeing this on the bots, I ran in to it locally..

[commit-bot: I haz the power, 2016-05-12 15:15:37]

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

[commit-bot: I haz the power, 2016-05-12 15:15:38]

Dry run: This issue passed the CQ dry run.

[Peter Beverloo, 2016-05-12 15:20:10]

The CQ bit was checked by peter@chromium.org

[commit-bot: I haz the power, 2016-05-12 15:20:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1975803002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1975803002/1

[commit-bot: I haz the power, 2016-05-12 15:23:10]

Description was changed from

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188
==========

to

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188
==========

[commit-bot: I haz the power, 2016-05-12 15:23:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-12 15:24:49]

Description was changed from

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188
==========

to

==========
Notification histograms should be thread-safe statics

These histograms will be counted on the context thread of the
notification, which can differ because notifications are available in
both documents and the various kinds of workers.

The histograms were re-introduced by the following CL:
    https://codereview.chromium.org/1904293003/

BUG=592188

Committed: https://crrev.com/2bf6a1f6379b1c1715ea5db0cb65d17e7884563b
Cr-Commit-Position: refs/heads/master@{#393252}
==========

[commit-bot: I haz the power, 2016-05-12 15:24:50]

Patchset 1 (id:??) landed as
https://crrev.com/2bf6a1f6379b1c1715ea5db0cb65d17e7884563b
Cr-Commit-Position: refs/heads/master@{#393252}