<!DOCTYPE HTML> <html> <head> <title>Test that scaled elements with scrolled contents don't repaint unnecessarily when we scroll inside them</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <!-- Need a timeout here to allow paint unsuppression before we start the test --> <body> <pre id="test"> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); SpecialPowers.pushPrefEnv( {"set": [["layers.single-tile.enabled", false]]}, function() { window.open("transformed_scrolling_repaints_3_window.html", "transformed_scrolling_repaints_3", "chrome,width=300,height=400,scrollbars=no"); } ); </script> </pre> </body> </html>