Auto-rebaseline for r197368

LayoutTests/platform/mac-mavericks/compositing/squashing/invalidate-when-leaving-squashed-layer-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
           "shouldFlattenTransform": false,
@@ skipping 29 matching lines @@
           ],
           "paintInvalidationClients": [
             "LayoutBlockFlow (positioned) DIV id='target'"
           ]
         }
       ]
     }
   ]
 }