2013-03-03  Igor Oliveira  <igor.o@sisa.samsung.com>

        WebCLContext does not need CCDeviceID as attribute
        Issue #156

        We should avoid to call platform objects every where in the WebCL code,
        specially because we already have the necessary information in the WebCL
        objects.

        Reviewed by Antonio Gomes.

        * Modules/webcl/WebCLContext.cpp:
        (WebCore::WebCLContext::create):
        (WebCore::WebCLContext::WebCLContext):
        (WebCore::WebCLContext::createCommandQueue):
        * Modules/webcl/WebCLContext.h:
        (WebCLContext):
        * Modules/webcl/WebCLContextProperties.cpp:
        (WebCore::WebCLContextProperties::devices):
        * Modules/webcl/WebCLContextProperties.h:
        (WebCLContextProperties):