Reviewed by Vicki.

    Reviewed by Vicki.

	- replace more use of CGCompositeOperation that I missed.

        * WebCoreSupport.subproj/WebImageData.m:
        (-[WebImageData _checkSolidColor:]):
        (-[WebImageData _fillSolidColorInRect:compositeOperation:context:]):
        (-[WebImageData tileInRect:fromPoint:context:]):
        (-[WebImageData _PDFDrawFromRect:toRect:operation:alpha:flipped:context:]):
        * WebCoreSupport.subproj/WebImageRenderer.m:
        (-[WebInternalImage _PDFDrawFromRect:toRect:operation:alpha:flipped:]):

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@9270 268f45cc-cd09-0410-ab3c-d52691b4dbfc