2014-01-02  Antonio Gomes  <a1.gomes@sisa.samsung.com>

        Catch up: WebCLUserEvent::setUserEventStatus to WebCLUserEvent::setStatus
        Issue #386

        Reviewed by Igor.

        WebCLUserEvent is WebCLContext-aware and has be tracked at its.
        creation in order for "release" to work.

        Additionally, setUserEventStatus was renamed to setStatus.

        * Modules/webcl/WebCLUserEvent.cpp:
        (WebCore::WebCLUserEvent::WebCLUserEvent):
        (WebCore::WebCLUserEvent::setStatus):
        * Modules/webcl/WebCLUserEvent.h:
        * Modules/webcl/WebCLUserEvent.idl: