Enable slimming paint for fast/repaint

LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt

Index: LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt
diff --git a/LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt b/LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt
index c489223d83aa043d5554b69028d2c07785c8c4e5..a3f8c8384c005722afdebe99b822986341f88bb4 100644
--- a/LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt
+++ b/LayoutTests/platform/win/fast/repaint/line-flow-with-floats-9-expected.txt
@@ -6,12 +6,172 @@
       "contentsOpaque": true,
       "drawsContent": true,
       "repaintRects": [
+        [485, 15, 15, 585],
         [485, 0, 15, 600],
         [485, 0, 15, 600],
         [485, 0, 15, 600],
+        [485, 0, 15, 600],
+        [372, 389, 48, 80],
+        [372, 371, 48, 80],
+        [372, 245, 48, 48],
+        [301, 422, 67, 18],
+        [178, 350, 146, 18],
+        [65, 386, 304, 18],
+        [65, 386, 303, 36],
+        [65, 368, 304, 18],
+        [65, 350, 356, 36],
+        [14, 440, 356, 53],
+        [14, 422, 355, 53],
+        [14, 404, 355, 36],
+        [14, 404, 354, 36],
+        [14, 242, 406, 126],
+        [13, 494, 408, 90],
+        [13, 476, 408, 90],
+        [13, 242, 407, 126],
+        [8, 74, 418, 516],
+        [8, 74, 418, 498],
+        [0, 0, 500, 600],
+        [0, 0, 485, 600],
         [0, 0, 485, 600],
         [0, 0, 15, 15],
         [0, 0, 15, 15]
+      ],
+      "paintInvalidationClients": [
+        "InlineTextBox 'The chief difficulty Alice found at first was in'",
+        "RootInlineBox",
+        "InlineTextBox 'managing her\n'",
+        "InlineTextBox 'flamingo: she succeeded in getting its'",
+        "RootInlineBox",
+        "InlineTextBox 'body tucked away,\n'",
+        "InlineTextBox 'comfortably enough, under her'",
+        "RootInlineBox",
+        "InlineTextBox 'arm, with its legs hanging down,\n'",
+        "InlineTextBox 'but generally, just as'",
+        "RootInlineBox",
+        "InlineTextBox 'she had got its neck nicely straightened\n'",
+        "InlineTextBox 'out, and was'",
+        "RootInlineBox",
+        "InlineTextBox 'going to give the hedgehog a blow with its head, it'",
+        "RootInlineBox",
+        "InlineTextBox 'would'",
+        "InlineTextBox ' twist itself round and look up in her face, with\n'",
+        "InlineTextBox 'such a'",
+        "RootInlineBox",
+        "InlineTextBox 'puzzled expression that she could not help bursting out'",
+        "RootInlineBox",
+        "InlineTextBox 'laughing: and when she had got its head down, and was going'",
+        "RootInlineBox",
+        "InlineTextBox 'to\n'",
+        "InlineTextBox 'begin again, it was very provoking to find that the hedgehog'",
+        "RootInlineBox",
+        "InlineTextBox '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'",
+        "RootInlineBox",
+        "InlineTextBox 'way 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'",
+        "RootInlineBox",
+        "InlineTextBox 'that it was a very\n'",
+        "InlineTextBox 'difficult game indeed.\n'",
+        "RootInlineBox",
+        "InlineTextBox 'The players all played at once without waiting'",
+        "RootInlineBox",
+        "InlineTextBox 'for turns,\n'",
+        "InlineTextBox 'quarrelling all the while, and fighting'",
+        "RootInlineBox",
+        "InlineTextBox 'for the hedgehogs; and in\n'",
+        "InlineTextBox 'a very short time '",
+        "InlineTextBox 'the'",
+        "RootInlineBox",
+        "InlineTextBox 'Queen'",
+        "InlineTextBox ' was in a furious passion, and went\n'",
+        "InlineTextBox 'stamping'",
+        "RootInlineBox",
+        "InlineTextBox 'about, and shouting \u2018Off with his head!\u2019 or \u2018Off with'",
+        "RootInlineBox",
+        "InlineTextBox 'her head!\u2019 about once in a minute.\n'",
+        "RootInlineBox",
+        "InlineTextBox 'Alice began to feel very uneasy: to be sure, she had not as\n'",
+        "InlineTextBox 'yet'",
+        "RootInlineBox",
+        "InlineTextBox 'had any dispute with the Queen, but she knew that it might'",
+        "RootInlineBox",
+        "InlineTextBox 'happen any minute, \u2018and then,\u2019 thought she, \u2018what would'",
+        "RootInlineBox",
+        "InlineTextBox 'become of\n'",
+        "InlineTextBox 'me? They\u2019re dreadfully fond of beheading people'",
+        "RootInlineBox",
+        "InlineTextBox 'here; the great\n'",
+        "InlineTextBox 'wonder is, that there\u2018s any one left alive!\u2019'",
+        "RootInlineBox",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "LayoutIFrame IFRAME id='iframe'",
+        "InlineTextBox 'here; the great\n'",
+        "InlineTextBox 'wonder is, that there\u2018s any one left alive!\u2019'",
+        "RootInlineBox",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "VerticalScrollbar",
+        "LayoutIFrame IFRAME id='iframe'",
+        "LayoutView #document",
+        "LayoutView #document",
+        "LayoutBlockFlow HTML",
+        "LayoutBlockFlow P",
+        "LayoutBlockFlow (floating) SPAN id='yellowFloat'",
+        "LayoutText #text",
+        "InlineTextBox 'begin again, it was very provoking to find that the'",
+        "InlineTextBox 'hedgehog had\n'",
+        "InlineTextBox 'unrolled itself, and was in the act of'",
+        "InlineTextBox 'crawling away: besides all\n'",
+        "InlineTextBox 'this, there was generally a'",
+        "InlineTextBox 'ridge or furrow in the way wherever\n'",
+        "InlineTextBox 'she wanted to send the'",
+        "InlineTextBox 'hedgehog to, and, as the doubled-up\n'",
+        "InlineTextBox 'soldiers were always'",
+        "InlineTextBox 'getting up and walking off to other parts of\n'",
+        "InlineTextBox 'the ground, Alice'",
+        "InlineTextBox 'soon came to the conclusion that it was a very\n'",
+        "LayoutText #text",
+        "InlineTextBox 'difficult'",
+        "InlineTextBox 'game indeed.\n'",
+        "LayoutText #text",
+        "InlineTextBox 'The players all played at once without waiting'",
+        "LayoutBlockFlow (floating) SPAN id='greenFloat'",
+        "LayoutText #text",
+        "InlineTextBox 'for turns,\n'",
+        "InlineTextBox 'quarrelling all the while, and fighting'",
+        "InlineTextBox 'for the hedgehogs; and in\n'",
+        "InlineTextBox 'a very short time '",
+        "LayoutText #text",
+        "InlineTextBox 'the Queen'",
+        "LayoutText #text",
+        "InlineTextBox 'was in a furious passion, and went\n'",
+        "InlineTextBox 'stamping about, and'",
+        "InlineTextBox 'shouting \u2018Off with his head!\u2019 or \u2018Off with\n'",
+        "InlineTextBox 'her head!\u2019'",
+        "InlineTextBox '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'",
+        "InlineTextBox 'had any dispute with the Queen, but she knew that it might'",
+        "InlineTextBox 'happen any minute, \u2018and then,\u2019 thought she, \u2018what would'",
+        "InlineTextBox 'become of\n'",
+        "InlineTextBox 'me? They\u2019re dreadfully fond of beheading people'",
+        "InlineTextBox 'here; the great\n'",
+        "InlineTextBox 'wonder is, that there\u2018s any one left alive!\u2019'"
       ]
     }
   ]