dart-lang/spark — pull request #815 by sunglim (2014-01-24 10:51:32+00:00)
Title: fix polymer lint warning

![image](https://f.cloud.github.com/assets/756988/1994045/70dfb3de-84e5-11e3-9feb-702748bc819d.png)

fixes polymer lint warning.

and replace tab with 2space.