Include the whole outline into visual overflow

LayoutTests/compositing/layer-creation/stacking-context-overlap-nested-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
           "position": [10, 10],
-          "bounds": [120, 120],
+          "transformOrigin": [60, 60],
+          "bounds": [270, 170],
           "drawsContent": true,
           "backgroundColor": "#008000",
           "children": [
             {
               "position": [50, 50],
               "bounds": [220, 120],
               "drawsContent": true,
               "backgroundColor": "#FF000099"
             }
           ]
         },
         {
           "position": [75, 75],
           "bounds": [56, 56],
           "contentsOpaque": true,
           "drawsContent": true,
           "backgroundColor": "#0000FF"
         }
       ]
     }
   ]
 }