Update reason after full paint invalidation

third_party/WebKit/LayoutTests/paint/invalidation/push-block-with-first-line-expected.txt

 {
   "layers": [
     {
       "name": "LayoutView #document",
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "paintInvalidations": [
         {
           "object": "LayoutBlockFlow DIV id='spacer'",
           "rect": [8, 8, 784, 60],
           "reason": "layoutObject insertion"
         },
         {
           "object": "LayoutBlockFlow DIV class='test'",
           "rect": [8, 68, 784, 20],
           "reason": "bounds change"
         },
         {
           "object": "LayoutBlockFlow DIV class='test'",
           "rect": [8, 8, 784, 20],
           "reason": "bounds change"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [8, 68, 140, 20],
-          "reason": "bounds change"
-        },
-        {
-          "object": "LayoutText #text",
-          "rect": [8, 8, 140, 20],
-          "reason": "bounds change"
         }
       ]
     }
   ],
   "objectPaintInvalidations": [
     {
       "object": "LayoutBlockFlow DIV id='spacer'",
       "reason": "layoutObject insertion"
     },
     {
       "object": "LayoutBlockFlow DIV class='test'",
       "reason": "bounds change"
     },
     {
       "object": "RootInlineBox",
       "reason": "bounds change"
     },
     {
       "object": "LayoutText #text",
       "reason": "bounds change"
     },
     {
       "object": "InlineTextBox 'JOCULAR'",
       "reason": "bounds change"
     }
   ]
 }