Revert FCM text-based-repaint change and rebaselines

LayoutTests/fast/repaint/vertical-overflow-child-expected.txt

Index: LayoutTests/fast/repaint/vertical-overflow-child-expected.txt
diff --git a/LayoutTests/fast/repaint/vertical-overflow-child-expected.txt b/LayoutTests/fast/repaint/vertical-overflow-child-expected.txt
index 391cc68deb5dbc9d99bf32eb424875c1bd9e37d9..7633b9a222553ebfb63b7113ff11103c7319528f 100644
--- a/LayoutTests/fast/repaint/vertical-overflow-child-expected.txt
+++ b/LayoutTests/fast/repaint/vertical-overflow-child-expected.txt
@@ -1,17 +1,7 @@
 An orange rect should be painted.
 In DumpRenderTree, there should be repaint logs of 100x100 rect. We don't care how many times is the log dumpped.
-(GraphicsLayer
-  (bounds 800.00 600.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 800.00 600.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (repaint rects
-        (rect 214.00 21.00 100.00 100.00)
-        (rect 214.00 21.00 100.00 100.00)
-      )
-    )
-  )
+(repaint rects
+  (rect 214 21 100 100)
+  (rect 214 21 100 100)
 )