2014-01-21  Antonio Gomes  <a1.gomes@sisa.samsung.com>

        Remove WebCL/Platform/Device::getSupportedExtension custom bindings
        Issue #429

        Reviewed by Igor.

        These can be easily auto-generated.

        * Modules/webcl/WebCL.idl:
        * Modules/webcl/WebCLDevice.idl:
        * Modules/webcl/WebCLExtensionsAccessor.cpp:
        (WebCore::::getSupportedExtensions):
        * Modules/webcl/WebCLExtensionsAccessor.h:
        * Modules/webcl/WebCLPlatform.idl:
        * bindings/js/JSWebCLCustom.cpp:
        * bindings/js/JSWebCLDeviceCustom.cpp:
        * bindings/js/JSWebCLPlatformCustom.cpp: