The additional force event added in -[HIDEventGenerator _createIOHIDEventType:eventType] causes us to crash and is redundant (see Radar for details).
<rdar://problem/23360841>
Created attachment 264717 [details] Patch
Comment on attachment 264717 [details] Patch Clearing flags on attachment: 264717 Committed r191974: <http://trac.webkit.org/changeset/191974>
All reviewed patches have been landed. Closing bug.