Revert "See also webkit.org/b/113415"

LayoutTests/compositing/overflow/do-not-opt-non-stacking-context-descendants-into-composited-scrolling-expected.txt

Index: LayoutTests/compositing/overflow/do-not-opt-non-stacking-context-descendants-into-composited-scrolling-expected.txt
diff --git a/LayoutTests/compositing/overflow/do-not-opt-non-stacking-context-descendants-into-composited-scrolling-expected.txt b/LayoutTests/compositing/overflow/do-not-opt-non-stacking-context-descendants-into-composited-scrolling-expected.txt
deleted file mode 100644
index f74db46c217eebbe4a30ac453fb755b8e8656050..0000000000000000000000000000000000000000
--- a/LayoutTests/compositing/overflow/do-not-opt-non-stacking-context-descendants-into-composited-scrolling-expected.txt
+++ /dev/null
@@ -1,75 +0,0 @@
-This test ensures that the descendants of children of non-stacking context overflow-scroll divs do not get promoted needlessly. Only the immediate child of an overflow-scroll div, or an unclipped descendant, need to be promoted.
-
-(GraphicsLayer
-  (bounds 1832.00 1682.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 1832.00 1682.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (children 4
-        (GraphicsLayer
-          (position 28.00 320.00)
-          (bounds 402.00 402.00)
-          (drawsContent 1)
-          (children 4
-            (GraphicsLayer
-              (position 1.00 1.00)
-              (bounds 385.00 385.00)
-              (children 1
-                (GraphicsLayer
-                  (bounds 385.00 950.00)
-                )
-              )
-            )
-            (GraphicsLayer
-              (position 1.00 386.00)
-              (bounds 385.00 15.00)
-              (drawsContent 1)
-            )
-            (GraphicsLayer
-              (position 386.00 1.00)
-              (bounds 15.00 385.00)
-              (drawsContent 1)
-            )
-            (GraphicsLayer
-              (position 386.00 386.00)
-              (bounds 15.00 15.00)
-              (drawsContent 1)
-            )
-          )
-        )
-        (GraphicsLayer
-          (position 39.00 331.00)
-          (bounds 180.00 300.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #808080)
-        )
-        (GraphicsLayer
-          (position 39.00 961.00)
-          (bounds 180.00 300.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #0000FF)
-        )
-        (GraphicsLayer
-          (position 39.00 641.00)
-          (bounds 180.00 300.00)
-          (contentsOpaque 1)
-          (drawsContent 1)
-          (backgroundColor #808080)
-          (children 1
-            (GraphicsLayer
-              (position 0.00 -200.00)
-              (bounds 100.00 100.00)
-              (contentsOpaque 1)
-            )
-          )
-        )
-      )
-    )
-  )
-)
-
-