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

third_party/WebKit/LayoutTests/paint/invalidation/svg/absolute-sized-content-with-resources-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow div id='contentBox'",
           "rect": [8, 50, 402, 402],
           "reason": "forced by layout"
         },
         {
-          "object": "LayoutSVGContainer g",
-          "rect": [42, 117, 334, 268],
-          "reason": "bounds change"
-        },
-        {
           "object": "LayoutSVGRect rect",
           "rect": [42, 117, 334, 268],
           "reason": "SVG resource change"
         },
         {
-          "object": "LayoutSVGRoot svg",
-          "rect": [42, 117, 334, 268],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutSVGEllipse circle",
           "rect": [242, 251, 167, 200],
           "reason": "bounds change"
         },
         {
           "object": "LayoutSVGEllipse circle",
           "rect": [242, 51, 167, 200],
           "reason": "bounds change"
         },
         {
           "object": "LayoutSVGEllipse circle",
           "rect": [9, 251, 167, 200],
           "reason": "location change"
         },
         {
           "object": "LayoutSVGEllipse circle",
           "rect": [9, 51, 167, 200],
           "reason": "bounds change"
         },
         {
-          "object": "LayoutSVGContainer g",
-          "rect": [17, 217, 84, 68],
-          "reason": "bounds change"
-        },
-        {
           "object": "LayoutSVGRect rect",
           "rect": [17, 217, 84, 68],
           "reason": "SVG resource change"
         },
         {
-          "object": "LayoutSVGRoot svg",
-          "rect": [17, 217, 84, 68],
-          "reason": "forced by layout"
-        },
-        {
           "object": "LayoutSVGEllipse circle",
           "rect": [67, 251, 42, 67],
           "reason": "bounds change"
         },
         {
           "object": "LayoutSVGEllipse circle",
           "rect": [67, 184, 42, 67],
           "reason": "bounds change"
         }
       ]
@@ skipping 32 matching lines @@
       "object": "LayoutSVGContainer g",
       "reason": "bounds change"
     },
     {
       "object": "LayoutSVGRect rect",
       "reason": "SVG resource change"
     }
   ]
 }