Bug 600117 part.1 Implement KeyboardEvent.repeat r=smaug, sr=jst
Bug 600117 part.2 Implement KeyboardEvent.repeat on Windows r=jimm
Bug 600117 part.3 Implement KeyboardEvent.repeat on Mac r=smichaud
Bug 600117 part.4 Implement KeyboardEvent.repeat on Android r=nchen
Bug 600117 part.5 Implement KeyboardEvent.repeat on Gonk r=mwu
Bug 600117 part.6 Implement KeyboardEvent.repeat on OS/2 r=daveryeo
Bug 600117 part.7 Implement KeyboardEvent.repeat on Qt r=romaxa
Bug 600117 part.8 Implement KeyboardEvent.repeat on GTK r=karlt