Dirty nearby lineboxes if we layout a float rather than trying to work it out later

LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-3-expected.txt

 {
   "bounds": [800, 600],
   "children": [
     {
       "bounds": [800, 600],
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
         [372, 383, 48, 80],
         [356, 383, 64, 80],
         [353, 440, 15, 59],
         [352, 380, 2, 19],
         [303, 420, 67, 19],
         [65, 400, 289, 39],
         [65, 380, 304, 59],
         [14, 420, 339, 39],
-        [8, 380, 418, 219]
+        [8, 340, 418, 259]
       ],
       "paintInvalidationClients": [
+        "InlineTextBox 'other parts of\n'",
+        "InlineTextBox 'the ground, Alice soon came to the conclusion that it'",
+        "RootInlineBox",
+        "InlineTextBox 'was a very\n'",
+        "InlineTextBox 'difficult game indeed.\n'",
+        "RootInlineBox",
         "InlineTextBox 'The players all played at once without waiting\n'",
         "InlineTextBox 'for'",
         "RootInlineBox",
         "InlineTextBox 'turns,\n'",
         "InlineTextBox 'quarrelling all the while, and fighting for the'",
         "RootInlineBox",
         "InlineTextBox 'hedgehogs; and in\n'",
         "InlineTextBox 'a very short time '",
         "InlineTextBox 'the Queen'",
         "RootInlineBox",
@@ skipping 34 matching lines @@
         "InlineTextBox ' was in a furious passion, and went\n'",
         "InlineTextBox 'stamping'",
         "InlineTextBox 'about, and shouting \u2018Off with his head!\u2019 or \u2018Off with\n'",
         "InlineTextBox 'her'",
         "InlineTextBox 'head!\u2019 about once in a minute.\n'"
       ]
     }
   ]
 }