Update the histogram labels for UseCounter's features

Update the histogram labels for UseCounter's features

This change was automatically generated by running:
  update_use_counter_feature_enum.py

BUG=428806
Committed: https://crrev.com/6311617bfa370448f8753ddeaee6a5b13388f909
Cr-Commit-Position: refs/heads/master@{#321517}

[eroman, 2015-03-20 01:49:43]

eroman@chromium.org changed reviewers:
+ isherman@chromium.org

[Ilya Sherman, 2015-03-20 02:16:21]

LGTM.

[eroman, 2015-03-20 02:45:28]

The CQ bit was checked by eroman@chromium.org

[commit-bot: I haz the power, 2015-03-20 02:45:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1024763002/1

[commit-bot: I haz the power, 2015-03-20 02:49:24]

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

[commit-bot: I haz the power, 2015-03-20 02:49:26]

Try jobs failed on following builders:
  linux_chromium_compile_dbg_32_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_compile_dbg_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)

[eroman, 2015-03-20 03:41:14]

(I rebased as there were were some recent changes to the enum)

[eroman, 2015-03-20 03:47:13]

The CQ bit was checked by eroman@chromium.org

[eroman, 2015-03-20 03:47:13]

The patchset sent to the CQ was uploaded after l-g-t-m from
isherman@chromium.org
Link to the patchset: https://codereview.chromium.org/1024763002/#ps40001
(title: "try rebase again...")

[commit-bot: I haz the power, 2015-03-20 03:47:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1024763002/40001

[commit-bot: I haz the power, 2015-03-20 04:58:43]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-03-20 04:59:43]

Patchset 3 (id:??) landed as
https://crrev.com/6311617bfa370448f8753ddeaee6a5b13388f909
Cr-Commit-Position: refs/heads/master@{#321517}