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 1272 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 ]
-
 # 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 ]
 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 fast/text/descent-clip-in-scaled-page.html [ ImageOnlyFailure ]
 
 # Viewport tag tests involving "height" parameter.
@@ skipping 586 matching lines @@
 
 crbug.com/244479 [ Win7 Debug ] inspector/profiler/heap-snapshot-summary-expansion-preserved-when-sorting.html [ Failure ]
 crbug.com/244481 [ Win7 Debug ] virtual/gpu/fast/canvas/canvas-composite-canvas.html [ Timeout ]
 
 crbug.com/244678 [ Win7 Debug ] animations/3d/matrix-transform-type-animation.html [ Failure Timeout ]
 crbug.com/245154 editing/selection/move-by-character-brute-force.html [ Pass Timeout ]
 
 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 ]