Enable slimming paint for fast/repaint

LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt

Index: LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt
diff --git a/LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt b/LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt
index 5cb86fd66b116c0ed65feb5d2eec2053006342a1..e67a76715ace623db934305ad0184d448f78cfa6 100644
--- a/LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt
+++ b/LayoutTests/platform/linux/fast/repaint/line-flow-with-floats-8-expected.txt
@@ -22,7 +22,103 @@
         [14, 363, 48, 64],
         [8, 586, 418, 14],
         [8, 583, 418, 17],
-        [8, 80, 418, 519]
+        [8, 80, 418, 519],
+        [0, 0, 485, 600]
+      ],
+      "paintInvalidationClients": [
+        "LayoutBlockFlow (floating) SPAN id='blueFloat'",
+        "InlineTextBox 'The chief difficulty Alice found at first was in managing her'",
+        "RootInlineBox",
+        "InlineTextBox 'flamingo: she succeeded in getting its body tucked away,'",
+        "RootInlineBox",
+        "InlineTextBox 'comfortably enough, under her arm, with its legs hanging'",
+        "RootInlineBox",
+        "InlineTextBox 'down,\n'",
+        "InlineTextBox 'but generally, just as she had got its neck nicely'",
+        "RootInlineBox",
+        "InlineTextBox 'straightened\n'",
+        "InlineTextBox 'out, and was going to give the hedgehog a'",
+        "RootInlineBox",
+        "InlineTextBox 'blow with its head, it\n'",
+        "InlineTextBox 'would'",
+        "InlineTextBox ' twist itself round and look up in her'",
+        "RootInlineBox",
+        "InlineTextBox 'face, with\n'",
+        "InlineTextBox 'such a puzzled expression that she could not help'",
+        "RootInlineBox",
+        "InlineTextBox 'bursting out\n'",
+        "InlineTextBox 'laughing: and when she had got its head down, and was'",
+        "RootInlineBox",
+        "InlineTextBox 'going to\n'",
+        "InlineTextBox 'begin again, it was very provoking to find that the'",
+        "RootInlineBox",
+        "InlineTextBox 'hedgehog had\n'",
+        "InlineTextBox 'unrolled itself, and was in the act of crawling away:'",
+        "RootInlineBox",
+        "InlineTextBox 'besides all\n'",
+        "InlineTextBox 'this, there was generally a ridge or furrow in the way'",
+        "RootInlineBox",
+        "InlineTextBox 'wherever\n'",
+        "InlineTextBox 'she wanted to send the hedgehog to, and, as the'",
+        "RootInlineBox",
+        "InlineTextBox 'doubled-up\n'",
+        "InlineTextBox 'soldiers were always getting up and walking off to'",
+        "RootInlineBox",
+        "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",
+        "InlineTextBox 'was in a furious passion, and went\n'",
+        "InlineTextBox 'stamping about, and'",
+        "RootInlineBox",
+        "InlineTextBox 'shouting \u2018Off with his head!\u2019 or \u2018Off with\n'",
+        "InlineTextBox 'her head!\u2019 about'",
+        "RootInlineBox",
+        "InlineTextBox 'once in a minute.\n'",
+        "RootInlineBox",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "LayoutBlockFlow HTML",
+        "LayoutBlockFlow P",
+        "LayoutBlockFlow P",
+        "LayoutText #text",
+        "InlineTextBox 'difficult game indeed.\n'",
+        "LayoutText #text",
+        "InlineTextBox 'The players all played at once without waiting\n'",
+        "LayoutText #text",
+        "InlineTextBox 'for turns,'",
+        "InlineTextBox 'quarrelling all the while, and fighting for the hedgehogs; and'",
+        "InlineTextBox 'in\n'",
+        "InlineTextBox 'a very short time '",
+        "LayoutText #text",
+        "InlineTextBox 'the Queen'",
+        "LayoutText #text",
+        "InlineTextBox ' was in a furious passion,'",
+        "InlineTextBox 'and went\n'",
+        "InlineTextBox 'stamping about, and shouting \u2018Off with his head!\u2019'",
+        "InlineTextBox 'or \u2018Off with\n'",
+        "InlineTextBox 'her head!\u2019 about once in a minute.\n'",
+        "LayoutText #text",
+        "InlineTextBox 'Alice began to feel very uneasy: to be sure, she had not as\n'",
+        "InlineTextBox 'yet had'",
+        "InlineTextBox 'any dispute with the Queen, but she knew that it might\n'",
+        "InlineTextBox 'happen any'",
+        "InlineTextBox 'minute, \u2018and then,\u2019 thought she, \u2018what would become of\n'",
+        "InlineTextBox 'me?'",
+        "InlineTextBox 'They\u2019re dreadfully fond of beheading people here; the great'",
+        "InlineTextBox 'wonder is, that there\u2018s any one left alive!\u2019'"
       ]
     }
   ]