Fix Border collapsing with colpsan / rowspan cells

third_party/WebKit/LayoutTests/paint/invalidation/table/cached-cell-append-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutTable TABLE",
           "rect": [8, 59, 120, 5],
           "reason": "incremental"
         },
         {
+          "object": "LayoutTableSection TBODY",
+          "rect": [10, 11, 115, 50],
+          "reason": "bounds change"
+        },
+        {
           "object": "LayoutTableCell TD",
           "rect": [64, 8, 64, 56],
           "reason": "layoutObject insertion"
         },
         {
           "object": "LayoutTable TABLE",
           "rect": [65, 8, 63, 56],
           "reason": "incremental"
         },
         {
           "object": "LayoutTableCell TD",
           "rect": [8, 8, 62, 56],
           "reason": "location change"
+        },
+        {
+          "object": "LayoutTableSection TBODY",
+          "rect": [10, 10, 56, 50],
+          "reason": "bounds change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutTableCell TD",
+      "object": "LayoutTableSection TBODY",
       "reason": "style change"
     },
     {
-      "object": "LayoutTableCell TD",
+      "object": "LayoutTableSection TBODY",
       "reason": "style change"
     },
     {
       "object": "LayoutTable TABLE",
       "reason": "incremental"
     },
     {
+      "object": "LayoutTableSection TBODY",
+      "reason": "bounds change"
+    },
+    {
       "object": "LayoutTableRow TR id='row'",
       "reason": "location change"
     },
     {
       "object": "LayoutTableCell TD",
       "reason": "location change"
     },
     {
       "object": "LayoutTableCell TD",
       "reason": "layoutObject insertion"
     }
   ]
 }