Don't invalidate rect if it's covered by fully invalidated parent's visual rect

third_party/WebKit/LayoutTests/paint/invalidation/css-grid-layout/grid-element-change-rows-repaint-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutGrid DIV class='grid fit-content'",
           "rect": [8, 48, 100, 150],
           "reason": "style change"
-        },
-        {
-          "object": "LayoutBlockFlow DIV class='sizedToGridArea'",
-          "rect": [8, 98, 100, 50],
-          "reason": "incremental"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutGrid DIV class='grid fit-content'",
       "reason": "style change"
     },
     {
       "object": "LayoutBlockFlow DIV class='sizedToGridArea'",
       "reason": "incremental"
     }
   ]
 }