Auto-rebaseline for r184549

LayoutTests/platform/mac/fast/repaint/control-clip-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
+        [86, 110, 44, 13],
+        [84, 110, 48, 13],
+        [53, 81, 3, 13],
         [16, 110, 184, 13],
         [9, 81, 198, 13],
         [8, 72, 200, 30]
       ]
     }
   ]
 }