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

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/vertical-align1-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow BODY",
           "rect": [0, 0, 800, 105],
           "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow DIV id='target'",
-          "rect": [20, 0, 100, 100],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow DIV class='other'",
-          "rect": [120, 80, 20, 20],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow DIV class='other'",
-          "rect": [120, 33, 20, 20],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow DIV class='other'",
-          "rect": [0, 80, 20, 20],
-          "reason": "forced by layout"
-        },
-        {
-          "object": "LayoutBlockFlow DIV class='other'",
-          "rect": [0, 33, 20, 20],
-          "reason": "forced by layout"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutBlockFlow BODY",
       "reason": "forced by layout"
     },
     {
       "object": "RootInlineBox",
       "reason": "forced by layout"
     },
     {
       "object": "LayoutBlockFlow DIV class='other'",
       "reason": "forced by layout"
     },
     {
       "object": "LayoutBlockFlow DIV id='target'",
       "reason": "forced by layout"
     },
     {
       "object": "LayoutBlockFlow DIV class='other'",
       "reason": "forced by layout"
     }
   ]
 }