Remove unused function, it doesn't look like it was called from anywhere.

Remove unused function, it doesn't look like it was called from anywhere.

BUG=none

Committed: https://crrev.com/bbc54edd01262349964c288777b6fbdf94bb87a3
Cr-Commit-Position: refs/heads/master@{#293418}

[dmazzoni, 2014-09-03 21:35:51]

dmazzoni@chromium.org changed reviewers:
+ dtseng@chromium.org

[dmazzoni, 2014-09-04 21:33:31]

Ping

[David Tseng, 2014-09-04 22:36:11]

lgtm

[dmazzoni, 2014-09-04 22:43:14]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2014-09-04 22:47:05]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dmazzoni@chromium.org/541493002/1

[commit-bot: I haz the power, 2014-09-05 03:20:19]

Committed patchset #1 (id:1) as 554fd2c705be45b3dd7199310a8b7e1dbe822b23

[commit-bot: I haz the power, 2014-09-10 03:36:10]

Patchset 1 (id:??) landed as
https://crrev.com/bbc54edd01262349964c288777b6fbdf94bb87a3
Cr-Commit-Position: refs/heads/master@{#293418}