Update PseudoElements during recalcStyle.

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index 2bf3f098816300b87cea092b888a7aee4eeec9ec..2f8834fdc3b6eaab714efec18b2d8de780dba66b 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -1232,8 +1232,6 @@ crbug.com/646598 [ Mac ] virtual/display_list_2d_canvas/fast/canvas/text-renderi
 crbug.com/646598 [ Mac ] virtual/gpu/fast/canvas/text-rendering-frameless-canvas.html [ Failure ]
 crbug.com/646598 [ Mac ] fast/canvas/text-rendering-frameless-canvas.html [ Failure ]
 
-crbug.com/492785 virtual/rootlayerscrolls/scrollbars/custom-scrollbar-reconstruction-on-inserting-style-sheet.html [ Failure ]
-
 crbug.com/646323 [ Mac ] editing/selection/modify_move/move_backward_line_import_crash.html [ Crash Timeout ]
 crbug.com/646323 [ Win Linux ] editing/selection/modify_move/move_backward_line_import_crash.html [ Crash ]