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

third_party/WebKit/LayoutTests/paint/invalidation/svg/nested-embedded-svg-size-changes-no-layout-triggers-2-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow BODY",
           "rect": [0, 0, 800, 600],
           "reason": "forced by layout"
         },
         {
-          "object": "LayoutEmbeddedObject OBJECT",
-          "rect": [0, 0, 402, 202],
-          "reason": "style change"
-        },
-        {
           "object": "LayoutBlockFlow BODY",
           "rect": [1, 1, 400, 200],
           "reason": "forced by layout"
         },
         {
-          "object": "LayoutEmbeddedObject OBJECT",
-          "rect": [1, 1, 400, 200],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutBlockFlow BODY",
           "rect": [0, 0, 285, 135],
           "reason": "forced by layout"
         },
         {
           "object": "LayoutEmbeddedObject OBJECT",
           "rect": [0, 0, 285, 135],
           "reason": "forced by layout"
         },
         {
@@ skipping 95 matching lines @@
       "object": "LayoutSVGRect rect",
       "reason": "bounds change"
     },
     {
       "object": "LayoutSVGRect rect",
       "reason": "bounds change"
     }
   ]
 }