2013-04-18  Arnaud Renevier  <a.renevier@sisa.samsung.com>

        WebCL exceptions override dom exceptions
        Issue #206

        Reviewed by Antonio Gomes

        * Modules/webcl/WebCLException.cpp:
        (WebCore::WebCLException::initializeDescription):
        * Modules/webcl/WebCLException.h:
        (WebCLException):