WebMainResource WebResourceData <html><head> <script> if (window.testRunner) testRunner.dumpDOMAsWebArchive(); </script> <style> @page { margin: 2cm; } </style> </head> <body> This page contains a @page style rule.<br> Making a WebArchive out of it should not crash. </body></html> WebResourceFrameName WebResourceMIMEType text/html WebResourceTextEncodingName UTF-8 WebResourceURL file:///LayoutTests/webarchive/css-page-rule-crash.html