Replace the current contiguity check for composited scrolling

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 11ff21c54b980d5bfdc5ba4b58a7856d11888b75..3ae4fb5d91e27aa9770477bdbb94090a450f3645 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -1404,6 +1404,14 @@ webkit.org/b/109963 [ Debug ] inspector/profiler/heap-snapshot-get-profile-crash
 
 webkit.org/b/110247 [ Debug ] fast/workers/storage/interrupt-database.html [ Pass Crash Slow ]
 
+# Logic in RenderLayer::collectLayers needs to be fixed.
+crbug.com/238282 compositing/overflow/out-of-flow-pos-descendants-should-affect-all-ancestors.html [ Failure ]
+crbug.com/238282 compositing/overflow/textarea-scroll-touch.html [ Pass Failure ]
+crbug.com/238282 virtual/gpu/compositedscrolling/overflow/out-of-flow-pos-descendants-should-affect-all-ancestors.html [ Failure ]
+crbug.com/238282 virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch.html [ Pass Failure ]
+crbug.com/238282 virtual/softwarecompositing/overflow/out-of-flow-pos-descendants-should-affect-all-ancestors.html [ Failure ]
+crbug.com/238282 virtual/softwarecompositing/overflow/opt-into-composited-scrolling-positioned-ancestor.html [ Failure ]

[esprehn, 2013/05/15 06:50:18]

Hopefully we can fix these soon.

+
 # Tests failing since applyPageScaleFactorInCompositor enabled
 crbug.com/225184 fast/repaint/relayout-fixed-position-after-scale.html [ ImageOnlyFailure ]
 crbug.com/225184 inspector/elements/highlight-node-scaled.html [ Failure Timeout ]