Replace the current contiguity check for composited scrolling

LayoutTests/platform/chromium/TestExpectations

Index: LayoutTests/platform/chromium/TestExpectations
diff --git a/LayoutTests/platform/chromium/TestExpectations b/LayoutTests/platform/chromium/TestExpectations
index 6d0831d2cdeba71dd4a7f3371900bafa0956aa96..ec954cc17806b498e2aab527821078efc240c199 100644
--- a/LayoutTests/platform/chromium/TestExpectations
+++ b/LayoutTests/platform/chromium/TestExpectations
@@ -3122,10 +3122,11 @@ webkit.org/b/92968 http/tests/appcache/abort-cache-onprogress.html
 # Scrolling content draws beneath scrollbars in composited scrolling mode.
 webkit.org/b/103156 platform/chromium/virtual/gpu/compositedscrolling/scrollbars/custom-scrollbar-with-incomplete-style.html [ ImageOnlyFailure ]
 
-# Adding new failing layout tests to illustrate the need for a future logic fix.
-# Will be fixed in upcoming patch.
-crbug.com/172875 platform/chromium/virtual/gpu/compositedscrolling/overflow/automatically-opt-into-composited-scrolling.html [ Failure ]
-crbug.com/172875 platform/chromium/virtual/gpu/compositedscrolling/overflow/opt-into-composited-scrolling-positioned-ancestor.html [ Failure ]
+# Needs rebaseline.
+webkit.org/b/109965 platform/chromium/virtual/gpu/compositedscrolling/overflow/textarea-scroll-touch.html [ Failure ]
+webkit.org/b/109965 platform/chromium/virtual/softwarecompositing/overflow/textarea-scroll-touch.html [ Failure ]
+webkit.org/b/109965 platform/chromium/virtual/gpu/compositedscrolling/scrollbars/overflow-scrollbar-combinations.html [ Failure ]
+webkit.org/b/109965 compositing/overflow/textarea-scroll-touch.html [ Failure ]
 
 # Fails due to Bug 85856.
 webkit.org/b/85856 [ Win Mac ] fast/block/float/028.html [ ImageOnlyFailure ]