Add use counter for cancelAndHoldAtTime.

Add use counter for cancelAndHoldAtTime.

BUG=686254
TEST=none

Review-Url: https://codereview.chromium.org/2663993003
Cr-Commit-Position: refs/heads/master@{#447655}
Committed: https://chromium.googlesource.com/chromium/src/+/1291e864d020e7bdcd216cfbfdf22b25728d1eee

[Raymond Toy, 2017-01-31 21:23:26]

rtoy@chromium.org changed reviewers:
+ hongchan@chromium.org

[Raymond Toy, 2017-01-31 21:23:27]

PTAL

[hongchan, 2017-01-31 22:34:49]

lgtm

[Raymond Toy, 2017-02-01 16:42:13]

rtoy@chromium.org changed reviewers:
+ mpearson@google.com

[Raymond Toy, 2017-02-01 16:42:13]

mpearson: PTAL at the use counter and histogram changes.

[Mark P, 2017-02-01 20:23:38]

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

[Mark P, 2017-02-01 20:23:38]

histograms.xml lgtm

[Raymond Toy, 2017-02-01 21:46:45]

rtoy@chromium.org changed reviewers:
+ japhet@chromium.org

[Raymond Toy, 2017-02-01 21:46:46]

japhet: PTAL at UseCounter.h

[haraken, 2017-02-01 21:51:57]

LGTM

[Raymond Toy, 2017-02-01 22:07:25]

The CQ bit was checked by rtoy@chromium.org

[commit-bot: I haz the power, 2017-02-01 22:08:03]

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, 2017-02-02 00:24:38]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485986845772250, "parent_rev":
"d5e23ca635bba70477806fa3ba702a240d398239", "commit_rev":
"1291e864d020e7bdcd216cfbfdf22b25728d1eee"}

[commit-bot: I haz the power, 2017-02-02 00:29:07]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1485986845772250, "parent_rev":
"d5e23ca635bba70477806fa3ba702a240d398239", "commit_rev":
"1291e864d020e7bdcd216cfbfdf22b25728d1eee"}

[commit-bot: I haz the power, 2017-02-02 00:29:46]

Description was changed from

==========
Add use counter for cancelAndHoldAtTime.

BUG=686254
TEST=none
==========

to

==========
Add use counter for cancelAndHoldAtTime.

BUG=686254
TEST=none

Review-Url: https://codereview.chromium.org/2663993003
Cr-Commit-Position: refs/heads/master@{#447655}
Committed:
https://chromium.googlesource.com/chromium/src/+/1291e864d020e7bdcd216cfbfdf2...
==========

[commit-bot: I haz the power, 2017-02-02 00:29:48]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/1291e864d020e7bdcd216cfbfdf2...