Enable slimming paint for fast/repaint

LayoutTests/fast/repaint/window-resize-media-query-expected.txt

Index: LayoutTests/fast/repaint/window-resize-media-query-expected.txt
diff --git a/LayoutTests/fast/repaint/window-resize-media-query-expected.txt b/LayoutTests/fast/repaint/window-resize-media-query-expected.txt
index 3981cfabe3d75e6e26b805e8ff1f3ca92051264e..b0c777df289c704f41fa90d30324a86d2d3a0286 100644
--- a/LayoutTests/fast/repaint/window-resize-media-query-expected.txt
+++ b/LayoutTests/fast/repaint/window-resize-media-query-expected.txt
@@ -8,7 +8,14 @@
       "backgroundColor": "#0000FF",
       "repaintRects": [
         [0, 0, 200, 300],
-        [0, 0, 200, 200]
+        [0, 0, 200, 200],
+        [0, 0, 200, 8]
+      ],
+      "paintInvalidationClients": [
+        "VerticalScrollbar",
+        "LayoutView #document",
+        "LayoutBlockFlow HTML",
+        "LayoutBlockFlow BODY"
       ]
     }
   ]
@@ -22,8 +29,17 @@
       "drawsContent": true,
       "backgroundColor": "#0000FF",
       "repaintRects": [
+        [200, 0, 100, 300],
         [0, 0, 300, 300],
-        [0, 0, 300, 300]
+        [0, 0, 300, 8],
+        [0, 0, 200, 8]
+      ],
+      "paintInvalidationClients": [
+        "HorizontalScrollbar",
+        "LayoutView #document",
+        "LayoutView #document",
+        "LayoutBlockFlow HTML",
+        "LayoutBlockFlow BODY"
       ]
     }
   ]
@@ -37,7 +53,12 @@
       "drawsContent": true,
       "backgroundColor": "#0000FF",
       "repaintRects": [
-        [0, 250, 300, 50]
+        [0, 250, 300, 50],
+        [0, 0, 300, 8]
+      ],
+      "paintInvalidationClients": [
+        "LayoutView #document",
+        "LayoutBlockFlow HTML"
       ]
     }
   ]
@@ -51,8 +72,16 @@
       "drawsContent": true,
       "backgroundColor": "#0000FF",
       "repaintRects": [
+        [250, 0, 50, 250],
+        [0, 0, 300, 8],
         [0, 0, 250, 250],
-        [0, 0, 250, 250]
+        [0, 0, 250, 8]
+      ],
+      "paintInvalidationClients": [
+        "LayoutView #document",
+        "LayoutView #document",
+        "LayoutBlockFlow HTML",
+        "LayoutBlockFlow BODY"
       ]
     }
   ]