has a NULL document object (the case for generated content) we mark the image frame dirty and generate a reflow command targeted at the parent frame git-svn-id: svn://10.0.0.236/trunk@44573 18797224-902f-48f8-a5cc-f745e15eee43
has a NULL document object (the case for generated content) we mark the image frame dirty and generate a reflow command targeted at the parent frame git-svn-id: svn://10.0.0.236/trunk@44573 18797224-902f-48f8-a5cc-f745e15eee43