| <!-- webkit-test-runner [ LayoutFormattingContextEnabled=true LayoutFormattingContextIntegrationEnabled=false ] --> | |
| <style> | |
| iframe { | |
| background-color: green; | |
| width: 100px; | |
| height: 100px; | |
| } | |
| </style> | |
| <iframe frameborder=no srcdoc="<html style='display: none'>some placeholder"></iframe> |