Revert FCM text-based-repaint change and rebaselines

LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt

Index: LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt
diff --git a/LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt b/LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt
index dcb24f2b4c6af684603b382aa8fb8798e4fc35ad..43f455b67d7adbafd595d1dd2904ef4b656ea1e2 100644
--- a/LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt
+++ b/LayoutTests/platform/mac/fast/repaint/text-append-dirty-lines-expected.txt
@@ -2,17 +2,7 @@ Test for rdar://problem/6771547 Appending to a RenderText causes all its lines t
 
 Lorem ipsum dolor sit amet, consectetur adipiscing elit. Suspendisse placerat. Morbi tristique. Mauris eu lacus sed felis pellentesque cursus. Proin vitae nulla. Vivamus in ipsum. Etiam mi. Nam malesuada purus in sem. Sed eget elit vel erat laoreet feugiat. Phasellus mollis pulvinar mi. Etiam ut neque sed eros egestas laoreet. Vestibulum ullamcorper, nulla non feugiat molestie, mi lorem bibendum leo, ac gravida orci nunc nec nulla. Nunc nunc lorem, rhoncus et, rutrum ac, fermentum ut, tortor. Sed rhoncus. Quisque enim metus, luctus tincidunt, vestibulum eu, vestibulum eu, libero. Mauris sagittis aliquam nunc. Nullam pharetra molestie eros. Donec tempus purus ut ligula. Phasellus non nisl. Etiam eu mauris. Curabitur a velit.
 
-(GraphicsLayer
-  (bounds 800.00 600.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 800.00 600.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (repaint rects
-        (rect 8.00 132.00 784.00 36.00)
-      )
-    )
-  )
+(repaint rects
+  (rect 8 132 784 36)
 )