Fix list marker paint invalidation on move

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/offset-change-wrong-invalidation-with-float-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow (positioned) UL id='submenu'",
           "rect": [48, 94, 40, 20],
           "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow (positioned) UL id='submenu'",
           "rect": [48, -156, 40, 20],
           "reason": "bounds change"
+        },
+        {
+          "object": "LayoutListMarker (anonymous)",
+          "rect": [70, 94, 7, 19],
+          "reason": "bounds change"
+        },
+        {
+          "object": "LayoutListMarker (anonymous)",
+          "rect": [70, -156, 7, 19],
+          "reason": "bounds change"
         }
       ]
     },
     {
       "name": "LayoutListItem (floating) LI id='watches'",
       "position": [30, 44],
       "transformOrigin": [18, 10],
       "bounds": [25, 19],
       "drawsContent": true
     },
@@ skipping 29 matching lines @@
     {
       "object": "LayoutListItem LI",
       "reason": "location change"
     },
     {
       "object": "RootInlineBox",
       "reason": "location change"
     },
     {
       "object": "LayoutListMarker (anonymous)",
-      "reason": "location change"
+      "reason": "bounds change"
     }
   ]
 }