Invalidate caret during paint invalidation

third_party/WebKit/LayoutTests/platform/linux/paint/invalidation/invalidate-caret-in-non-composited-scrolling-container-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true
     },
     {
       "name": "LayoutTextControl INPUT id='root'",
@@ skipping 14 matching lines @@
         },
         {
           "object": "LayoutBlockFlow DIV id='inner-editor'",
           "rect": [3, 4, 60, 16],
           "reason": "subtree"
         },
         {
           "object": "LayoutText #text",
           "rect": [3, 4, 60, 16],
           "reason": "subtree"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [60, 4, 3, 16],
-          "reason": "invalidate paint rectangle"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [60, 4, 3, 16],
-          "reason": "invalidate paint rectangle"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [60, 4, 3, 16],
-          "reason": "invalidate paint rectangle"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
-      "object": "Caret",
-      "reason": "invalidate paint rectangle"
-    },
-    {
       "object": "LayoutTextControl INPUT id='root'",
       "reason": "subtree"
     },
     {
       "object": "LayoutBlockFlow DIV id='inner-editor'",
       "reason": "subtree"
     },
     {
       "object": "RootInlineBox",
       "reason": "subtree"
     },
     {
       "object": "HorizontalScrollbar",
       "reason": "scroll"
     },
     {
       "object": "Caret",
-      "reason": "invalidate paint rectangle"
-    },
-    {
-      "object": "Caret",
-      "reason": "invalidate paint rectangle"
+      "reason": "caret"
     },
     {
       "object": "LayoutText #text",
       "reason": "subtree"
     },
     {
       "object": "InlineTextBox 'test test test'",
       "reason": "subtree"
     }
   ]
 }