google/closure-compiler — pull request #629 by Bloutiouf (2014-09-21 22:08:53+00:00)
Title: AudioParam.setTargetValueAtTime -> AudioParam.setTargetAtTime

The Web Audio spec says that AudioParam has a method setTargetAtTime, but contrib/externs/w3c_audio.js still had the old name setTargetValueAtTime.

See https://github.com/WebAudio/web-audio-api/issues/152