Paint collapsed borders of a table as one display item

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

Index: third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/table-cell-collapsed-border-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/table-cell-collapsed-border-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/table-cell-collapsed-border-expected.txt
index e452e1f090d5109fcbacdc752e6dcb6d906dd804..b1b1bfb16c5bcb067339faa5083a687260b498e4 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/table-cell-collapsed-border-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/table-cell-collapsed-border-expected.txt
@@ -7,6 +7,11 @@
       "drawsContent": true,
       "paintInvalidations": [
         {
+          "object": "LayoutTable TABLE",
+          "rect": [3, 64, 441, 405],
+          "reason": "invalidate paint rectangle"
+        },
+        {
           "object": "LayoutTableCell TD id='t3'",
           "rect": [220, 264, 122, 110],
           "reason": "style change"
@@ -26,48 +31,8 @@
   ],
   "objectPaintInvalidations": [
     {
-      "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": "LayoutTable TABLE",
+      "reason": "invalidate paint rectangle"
     },
     {
       "object": "LayoutTableCell TD id='t1'",