Switch to use new implementation in metrics.h for gathering statistics.

Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283
Committed: https://crrev.com/a2c58e21986410041fa72a4fd6c2f05bfd76b81b
Cr-Commit-Position: refs/heads/master@{#11885}

[åsapersson, 2016-03-04 13:12:02]

Description was changed from

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc::5283
==========

to

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283
==========

[åsapersson, 2016-03-04 14:59:47]

asapersson@webrtc.org changed reviewers:
+ henrik.lundin@webrtc.org

[hlundin-webrtc, 2016-03-04 18:34:50]

lgtm

[åsapersson, 2016-03-07 08:54:30]

The CQ bit was checked by asapersson@webrtc.org

[commit-bot: I haz the power, 2016-03-07 08:54:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1762863003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1762863003/1

[commit-bot: I haz the power, 2016-03-07 09:53:03]

Description was changed from

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283
==========

to

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283
==========

[commit-bot: I haz the power, 2016-03-07 09:53:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-07 09:53:12]

Description was changed from

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283
==========

to

==========
Switch to use new implementation in metrics.h for gathering statistics.
Sparse macro replaced for all audio histograms that have a constant name.

BUG=webrtc:5283

Committed: https://crrev.com/a2c58e21986410041fa72a4fd6c2f05bfd76b81b
Cr-Commit-Position: refs/heads/master@{#11885}
==========

[commit-bot: I haz the power, 2016-03-07 09:53:13]

Patchset 1 (id:??) landed as
https://crrev.com/a2c58e21986410041fa72a4fd6c2f05bfd76b81b
Cr-Commit-Position: refs/heads/master@{#11885}