dart-lang/spark — pull request #2102 by ussuri (2014-05-27 09:06:45+00:00)
Title: New ui button

@devoncarew: probably not much sense to go over individual code changes; just ok'ing the visuals is fine (of course, if you'd like to, feel free to go over the code).

![screen shot 2014-05-27 at 2 03 55 am](https://cloud.githubusercontent.com/assets/5606182/3089365/274a4ce4-e57e-11e3-9383-3fcdc33bc711.png)
![screen shot 2014-05-27 at 2 04 11 am](https://cloud.githubusercontent.com/assets/5606182/3089373/38615144-e57e-11e3-8311-30362afe063d.png)