Fix crash on certain devices when showing week and month picker.

Fix crash on certain devices when showing week and month picker.

This skips a method call on devices where it would cause a crash.

BUG=463719
Committed: https://crrev.com/1913989366feb0af91fc6bf5bc211a012eda955d
Cr-Commit-Position: refs/heads/master@{#319020}

[newt (away), 2015-03-04 03:34:27]

newt@chromium.org changed reviewers:
+ dfalcantara@chromium.org, tobiasjs@chromium.org

[newt (away), 2015-03-04 03:34:27]

PTAL

[gone, 2015-03-04 03:39:15]

lgtm

[newt (away), 2015-03-04 03:39:59]

The CQ bit was checked by newt@chromium.org

[commit-bot: I haz the power, 2015-03-04 03:40:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/969413003/1

[commit-bot: I haz the power, 2015-03-04 05:20:30]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-04 05:21:09]

Patchset 1 (id:??) landed as
https://crrev.com/1913989366feb0af91fc6bf5bc211a012eda955d
Cr-Commit-Position: refs/heads/master@{#319020}