Fix Sky issue where RenderNode was not painting automatically in interactive situations
Fix Sky issue where RenderNode was not painting automatically in interactive situations

R=abarth@chromium.org, abarth

Review URL: https://codereview.chromium.org/1168623002

jianglu/mojo,chinmaygarde/mojo,chinmaygarde/mojo,jianglu/mojo,chinmaygarde/mojo,jianglu/mojo,jianglu/mojo,chinmaygarde/mojo,afandria/mojo,afandria/mojo,chinmaygarde/mojo,afandria/mojo,chinmaygarde/mojo,jianglu/mojo,afandria/mojo,chinmaygarde/mojo,afandria/mojo,jianglu/mojo,chinmaygarde/mojo,jianglu/mojo,jianglu/mojo,afandria/mojo,afandria/mojo,chinmaygarde/mojo,afandria/mojo