Fix RenderLayer::collectLayers logic bug.

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/241869 [ Debug ] css3/flexbox/multiline-justify-content.html [ Pass Timeout ]
 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 [ Failure Pass Timeout ]
 webkit.org/b/92287 virtual/gpu/fast/canvas/webgl/context-creation-and-destruction.html [ Crash Failure Pass Timeout ]
 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 1269 matching lines @@
 
 crbug.com/239549 inspector-protocol/heap-profiler/heap-snapshot-with-detached-dom-tree.html [ Failure Pass Timeout ]
 
 webkit.org/b/109312 fast/canvas/canvas-drawImage-shadow.html [ Failure Pass ]
 webkit.org/b/109312 virtual/gpu/fast/canvas/canvas-drawImage-shadow.html [ Failure Pass ]
 
 webkit.org/b/109963 [ Debug ] inspector/profiler/heap-snapshot-get-profile-crash.html [ Crash Pass ]
 
 webkit.org/b/110247 [ Debug ] fast/workers/storage/interrupt-database.html [ Crash Pass 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/gpu/compositedscrolling/scrollbars/overflow-scrollbar-combinations.html [ Failure ]
-crbug.com/238282 virtual/softwarecompositing/overflow/out-of-flow-pos-descendants-should-affect-all-ancestors.html [ Failure ]
-crbug.com/238282 virtual/softwarecompositing/overflow/textarea-scroll-touch.html [ Failure ]
-
 # This test is quite large, and can time out on win debug builds.
 crbug.com/245836 [ Win Debug ] compositing/overflow/automatically-opt-into-composited-scrolling.html [ Pass Timeout ]
 crbug.com/245836 [ Win Debug ] virtual/gpu/compositedscrolling/overflow/automatically-opt-into-composited-scrolling.html [ Pass Timeout ]
 crbug.com/245836 [ Win Debug ] virtual/softwarecompositing/overflow/automatically-opt-into-composited-scrolling.html [ Pass Timeout ]
 
 # Fishy test failing - image appears to be the wrong size.
 crbug.com/245664 [ Mac ] virtual/gpu/compositedscrolling/overflow/remove-overflow-crash2.html [ ImageOnlyFailure ]
 
 # Tests failing since applyPageScaleFactorInCompositor enabled
 crbug.com/225184 fast/repaint/relayout-fixed-position-after-scale.html [ ImageOnlyFailure ]
@@ skipping 605 matching lines @@
 crbug.com/245630 [ Win7 Debug ] compositing/overflow/overflow-positioning.html [ ImageOnlyFailure Pass  ]
 crbug.com/245641 [ Win7 ] http/tests/loading/text-content-type-with-binary-extension.html [ Failure Pass  ]
 crbug.com/245644 [ Win7 Linux Debug ] virtual/gpu/fast/canvas/2d.text.draw.fill.maxWidth.gradient.html [ Failure Pass ]
 
 crbug.com/245670 [ Linux ] fast/forms/access-key-for-all-elements.html [ Failure Pass ]
 crbug.com/169734 [ Win ] inspector-protocol/console-timestamp.html [ Failure Pass ]
 crbug.com/246072 fast/forms/post-popup-no-multiple-windows.html [ Pass Timeout ]
 
 crbug.com/246118 [ Debug ] inspector/timeline/timeline-decode-resize.html [ Crash Pass Slow ]
 crbug.com/231936 [ Release Mac ] inspector/timeline/timeline-decode-resize.html [ Failure Pass Slow ]