Revert of Paint collapsed borders of a table as one display item

third_party/WebKit/LayoutTests/paint/invalidation/table-cell-collapsed-border-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
-          "object": "LayoutTable TABLE",
-          "rect": [3, 60, 441, 405],
-          "reason": "invalidate paint rectangle"
-        },
-        {
           "object": "LayoutTableCell TD id='t3'",
           "rect": [220, 260, 122, 110],
           "reason": "style change"
         },
         {
           "object": "LayoutTableCell TD id='t1'",
           "rect": [220, 60, 122, 108],
           "reason": "style change"
         },
         {
           "object": "LayoutTableCell TD id='t2'",
           "rect": [3, 260, 118, 110],
           "reason": "style change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutTable TABLE",
-      "reason": "invalidate paint rectangle"
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
     },
     {
       "object": "LayoutTableCell TD id='t1'",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD id='t2'",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD id='t3'",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD",
+      "reason": "style change"
+    },
+    {
+      "object": "LayoutTableCell TD id='t1'",
       "reason": "style change"
     },
     {
       "object": "LayoutTableCell TD id='t2'",
       "reason": "style change"
     },
     {
       "object": "LayoutTableCell TD id='t3'",
       "reason": "style change"
     }
   ]
 }