Polymer/paper-input — pull request #109 by DamianGarro (2014-11-19 02:16:22+00:00)
Title: Break long words in mirror (paper-autogrow-textarea)

Fix #108

@morethanreal made another solution in 2f4c286 (I didn't test it), but I think that it's better to break the words like a normal textareas.