Cleanup: Remove duplicated functions

Cleanup: Remove duplicated functions

IncrementCounter has been replaced by IncrementEnumCounter. Since the code has been rolled into Chromium, time to clean this up.

R=pthatcher@chromium.org
TBR=pthatcher@webrtc.org

BUG=

Committed: https://chromium.googlesource.com/external/webrtc/+/dfbe679dedfa7048c4951138d192c07d65e268cc

[guoweis_webrtc, 2015-09-03 23:04:02]

guoweis@webrtc.org changed reviewers:
+ pthatcher@webrtc.org

[guoweis_webrtc, 2015-09-03 23:04:03]

PTAL

[pthatcher2, 2015-09-03 23:57:11]

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

[pthatcher2, 2015-09-03 23:57:11]

lgtm

[guoweis_webrtc, 2015-09-04 00:09:11]

The CQ bit was checked by guoweis@webrtc.org

[commit-bot: I haz the power, 2015-09-04 00:09:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1312763013/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1312763013/1

[commit-bot: I haz the power, 2015-09-04 00:09:25]

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

[commit-bot: I haz the power, 2015-09-04 00:09:26]

No L-G-T-M from a valid reviewer yet. Only full committers are accepted.
Even if an L-G-T-M may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[guoweis_webrtc, 2015-09-04 00:12:19]

Committed patchset #1 (id:1) manually as
dfbe679dedfa7048c4951138d192c07d65e268cc (presubmit successful).