Replace the current contiguity check for composited scrolling

LayoutTests/TestExpectations

 # See http://trac.webkit.org/wiki/TestExpectations for more information on this file.
 
 crbug.com/237000 [ Win Linux ] virtual/gpu/fast/canvas/getPutImageDataPairTest.html [ Slow ]
 crbug.com/24182 [ Debug ] css3/flexbox/multiline-justify-content.html [ Slow ]
 webkit.org/b/82097 [ Debug ] editing/selection/move-by-word-visually-crash-test-5.html [ Slow ]
 webkit.org/b/92287 fast/canvas/webgl/context-creation-and-destruction.html [ Pass Timeout Failure ]
 webkit.org/b/92287 virtual/gpu/fast/canvas/webgl/context-creation-and-destruction.html [ Pass Timeout Failure ]
 crbug.com/24182 [ Debug ] fast/css/large-list-of-rules-crash.html [ Slow ]
 crbug.com/24182 [ Debug ] fast/dom/shadow/tree-scope-crash.html [ Slow ]
 crbug.com/24182 [ Debug ] fast/dom/Window/window-postmessage-clone-really-deep-array.html [ Slow ]
@@ skipping 1386 matching lines @@
 webkit.org/b/109312 virtual/gpu/fast/canvas/canvas-drawImage-shadow.html [ Pass Failure ]
 
 # ENABLE_ENCRYPTED_MEDIA_V2 is not enabled.
 webkit.org/b/97037 media/encrypted-media/encrypted-media-v2-events.html [ Timeout ]
 webkit.org/b/97037 media/encrypted-media/encrypted-media-v2-syntax.html [ Timeout ]
 
 webkit.org/b/109963 [ Debug ] inspector/profiler/heap-snapshot-get-profile-crash.html [ Pass 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 ]
 crbug.com/225184 svg/as-image/image-respects-pageScaleFactor.html [ Failure ImageOnlyFailure ]
 crbug.com/225184 [ Mac ] fast/text/descent-clip-in-scaled-page.html [ ImageOnlyFailure ]
 
 # Pixel tests for RTL iframe scrollbar is erroneous. Cannot observe on actual browser.
 crbug.com/227473 [ Debug ] virtual/softwarecompositing/rtl/rtl-iframe-absolute-overflow-scrolled.html [ Pass Failure ]
 crbug.com/227473 [ Debug ] compositing/rtl/rtl-iframe-absolute-overflow-scrolled.html [ Pass Failure ]
 crbug.com/192172 [ Debug ] compositing/rtl/rtl-iframe-absolute-overflow.html [ Pass Failure ]
@@ skipping 268 matching lines @@
 crbug.com/238858 [ Win7 Debug ] virtual/gpu/fast/hidpi/image-set-simple.html [ Pass Timeout ]
 crbug.com/238858 [ Win7 Debug ] virtual/gpu/fast/hidpi/image-set-without-specified-width.html [ Pass Timeout ]
 crbug.com/238858 [ Win7 Debug ] virtual/gpu/fast/hidpi/resize-corner-hidpi.html [ Pass Timeout ]
 crbug.com/238858 [ Win7 Debug ] virtual/gpu/fast/hidpi/video-controls-in-hidpi.html [ Pass Timeout ]
 
 crbug.com/239077 fast/canvas/webgl/index-validation-with-resized-buffer.html  [ Crash ]
 
 # Transient. PNGs need to be uploaded separately.
 crbug.com/232063 virtual/gpu/compositedscrolling/scrollbars/scrollbars-on-positioned-content.html [ ImageOnlyFailure ]
 crbug.com/232063 virtual/gpu/compositedscrolling/scrollbars/custom-scrollbar-with-incomplete-style.html [ ImageOnlyFailure ]