Reduce invalidation on children-needs-layout containers

LayoutTests/fast/repaint/block-shift-repaint-expected.txt

Index: LayoutTests/fast/repaint/block-shift-repaint-expected.txt
diff --git a/LayoutTests/fast/repaint/table-section-repaint-expected.txt b/LayoutTests/fast/repaint/block-shift-repaint-expected.txt
similarity index 51%
copy from LayoutTests/fast/repaint/table-section-repaint-expected.txt
copy to LayoutTests/fast/repaint/block-shift-repaint-expected.txt
index b7bbfbe50b8083df60c327db82c9f14ca74c71fa..836e8a1b189c4b5d1b939ccd72f3384bf241f933 100644
--- a/LayoutTests/fast/repaint/table-section-repaint-expected.txt
+++ b/LayoutTests/fast/repaint/block-shift-repaint-expected.txt
@@ -6,18 +6,25 @@
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
-        [33, 308, 10, 15],
-        [33, 308, 10, 15],
-        [8, 376, 60, 15],
-        [8, 372, 60, 4],
+        [48, 308, 10, 15],
+        [8, 353, 60, 38],
+        [8, 338, 60, 38],
+        [8, 323, 60, 30],
+        [8, 308, 60, 30],
         [8, 248, 60, 30],
+        [8, 218, 60, 30],
+        [8, 218, 60, 30],
+        [8, 188, 60, 30],
         [8, 188, 60, 30],
         [8, 158, 60, 30],
-        [8, 98, 60, 30],
-        [8, 98, 60, 30],
+        [8, 128, 60, 30],
+        [8, 128, 60, 30],
         [8, 98, 60, 30],
         [8, 98, 60, 30],
         [8, 68, 60, 30],
+        [8, 38, 60, 30],
+        [8, 38, 60, 30],
+        [8, 8, 60, 30],
         [8, 8, 60, 30]
       ]
     }