2013-02-26  Sharath Kamath  <kamath.sharath@gmail.com>

        Route WebCLImage::getGLtextureInfo & ::getInfo, through ComputeContext.
        Issue #132

        Reviewed by Antonio.

        Route the opencl API calls clGetImageInfo and clGetGLTextureInfo via ComputeContext.
        Validation of flags done by WebCLImage only to avoid  compute*ToCL API in
        ComputeContext.

        * Modules/webcl/WebCLImage.cpp:
        (WebCore::WebCLImage::getGLtextureInfo):
        (WebCore::WebCLImage::getInfo):
        * platform/ComputeContext.h:
        * platform/opencl/ComputeContextCL.cpp:
        (WebCore::ComputeContext::getImageInfo):
        (WebCore):
        (WebCore::ComputeContext::getGLtextureInfo):