2013-11-04  Sharath Kamath  <s.kamath@samsung.com>

        Add a new exception WEBCL_IMPLEMENTATION_FAILURE.

        Issue #268

        Reviewed by Antonio.

        As decided by working group in https://www.khronos.org/bugzilla/show_bug.cgi?id=946.
        adding a generic exception to catch exceptions other than the one's listed in the WebCL specification.

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