2013-02-25  Antonio Gomes  <a1.gomes@sisa.samsung.com>

        Perform most of input validation on Modules/WebCL side (part II)
        Issue #131

        Reviewed by NOBODY (OOPS!).

        computePlatformInfoTypeToCL can just be removed, since the mapping
        between ComputeContext and CL types is 1:1, and the switch on the
        call site validates its valid possible values already.

        * Modules/webcl/WebCLInputChecker.h:
        (WebCLInputChecker):
        * platform/opencl/ComputeContextCL.cpp:
        (WebCore::ComputeContext::getPlatformInfo):