Fix paint invalidation for composited vertical-rl having overflow

third_party/WebKit/LayoutTests/paint/invalidation/composited-vertical-rl-overflow-expected.txt

 {
   "name": "Content Root Layer",
   "bounds": [800, 600],
   "children": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "children": [
         {
-          "name": "LayoutTableRow TR",
-          "position": [8, 8],
-          "bounds": [75, 21],
+          "name": "LayoutBlockFlow (positioned) DIV id='div'",
+          "position": [50, 100],
+          "transformOrigin": [100, 50],
+          "bounds": [150, 100],
           "drawsContent": true,
-          "backgroundColor": "#FF0000",
+          "backgroundColor": "#0000FF",
           "paintInvalidations": [
             {
-              "object": "LayoutTableCell TD id='target'",
-              "rect": [0, 0, 38, 22],
+              "object": "LayoutBlockFlow (positioned) DIV id='div'",
+              "rect": [0, 0, 150, 100],
               "reason": "style change"
             }
           ]
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "LayoutTableCell TD id='target'",
-      "reason": "style change"
-    },
-    {
-      "object": "RootInlineBox",
+      "object": "LayoutBlockFlow (positioned) DIV id='div'",
       "reason": "style change"
     }
   ]
 }