2014-03-05  Shilpa Shri  <shilpa.shri@samsung.com>

        Check if device used to create a commandQueue is associated with the context.

        Fixed #467

        Reviewed by Antonio.

        Conformance files:
        conformance/bindingTesting/contextAndCreate/cl_context_createCommandQueue.html

        * Modules/webcl/WebCLContext.cpp:
        (WebCore::WebCLContext::createCommandQueue):