Fix Border collapsing with colpsan / rowspan cells

third_party/WebKit/LayoutTests/paint/invalidation/table-section-overflow-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow DIV",
           "rect": [33, 58, 100, 100],
           "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV",
           "rect": [33, 8, 100, 100],
           "reason": "bounds change"
         },
         {
           "object": "LayoutTableCell TD",
           "rect": [58, 58, 50, 100],
           "reason": "bounds change"
         },
         {
+          "object": "LayoutTableSection TBODY",
+          "rect": [58, 58, 50, 100],
+          "reason": "bounds change"
+        },
+        {
           "object": "LayoutTableCell TD",
           "rect": [58, 8, 50, 100],
           "reason": "bounds change"
+        },
+        {
+          "object": "LayoutTableSection TBODY",
+          "rect": [58, 8, 50, 100],
+          "reason": "bounds change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutTableSection TBODY",
-      "reason": "location change"
+      "reason": "bounds change"
     },
     {
       "object": "LayoutTableRow TR",
       "reason": "location change"
     },
     {
       "object": "LayoutTableCell TD",
       "reason": "bounds change"
     },
     {
       "object": "LayoutBlockFlow DIV",
       "reason": "location change"
     },
     {
       "object": "LayoutBlockFlow DIV",
       "reason": "bounds change"
     }
   ]
 }