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

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/svg/text-dom-removal-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutSVGContainer g id='objectsToRemove'",
           "rect": [0, 0, 201, 129],
           "reason": "became invisible"
         },
         {
-          "object": "LayoutSVGInlineText #text",
-          "rect": [50, 110, 151, 19],
-          "reason": "layoutObject removal"
-        },
-        {
           "object": "LayoutSVGText text",
           "rect": [50, 110, 151, 19],
           "reason": "layoutObject removal"
         },
         {
           "object": "LayoutSVGRect rect",
           "rect": [0, 0, 20, 20],
           "reason": "layoutObject removal"
         }
       ]
@@ skipping 12 matching lines @@
       "object": "LayoutSVGText text",
       "reason": "layoutObject removal"
     },
     {
       "object": "LayoutSVGContainer g id='objectsToRemove'",
       "reason": "became invisible"
     }
   ]
 }