2013-10-24  Shilpa Shri  <shilpa.shri@samsung.com>

        Support DEVICE_EXECUTION_CAPABILITIES in WebCLDevice::getInfo()
        Issue #291

        Reviewed by Antonio.

        Following conformance test file is fixed:
        conformance/computeinfo/cl_device_getinfo.html

        * Modules/webcl/WebCLDevice.cpp:
        (WebCore::WebCLDevice::getInfo):
        * Modules/webcl/WebCLInputChecker.cpp:
        (WebCore::WebCLInputChecker::isValidDeviceInfoType):