Index: LayoutTests/compositing/geometry/fixed-position-composited-switch.html |
diff --git a/LayoutTests/compositing/geometry/fixed-position-composited-switch.html b/LayoutTests/compositing/geometry/fixed-position-composited-switch.html |
index 98510943006419965f8c6ce51be405f5b3473d70..fea615590a718a846a831c5f6392b2adfc65b3ef 100644 |
--- a/LayoutTests/compositing/geometry/fixed-position-composited-switch.html |
+++ b/LayoutTests/compositing/geometry/fixed-position-composited-switch.html |
@@ -54,7 +54,11 @@ |
</script> |
</head> |
-<body> |
+ |
+<!-- Fixed position elements may skip compositing without a scrollable |
+ancestor. To make sure this test covers the intended scenario, we have to force |
+something (like the FrameView) to be scrolling, i.e. make a tall body element. --> |
+<body style="height: 4000px;"> |
<!-- Fixed position element should get its own layer --> |
<pre id="layertree"></pre> |
<div id="tall"></div> |