Auto-rebaseline for r184794

LayoutTests/platform/win/compositing/squashing/selection-repaint-with-gaps-expected.txt

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 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
@@ skipping 33 matching lines @@
               "position": [8, 8],
               "bounds": [300, 500]
             },
             {
               "position": [15, 35],
               "bounds": [100, 210],
               "drawsContent": true,
               "repaintRects": [
                 [37, 160, 3, 17],
                 [37, 80, 3, 35],
+                [37, 80, 3, 17],
                 [0, 160, 39, 35],
                 [0, 80, 100, 50],
                 [0, 80, 39, 35]
               ]
             }
           ]
         }
       ]
     }
   ]
 }