Revert FCM text-based-repaint change and rebaselines

LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt

Index: LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt
diff --git a/LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt b/LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt
index d8c636579f4be94b81b6dc3c7dbfe9af86ea42bb..81b60c32892ec74d0fe57ab2e4800bbb37bb57a2 100644
--- a/LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt
+++ b/LayoutTests/platform/mac/fast/repaint/bugzilla-6278-expected.txt
@@ -5,31 +5,21 @@ TEST PASS: The purple and green rects will resize, and there will remain separat
 TEST FAIL: The purple and green rects will resize, but the blue separator will disappear.
 
 Curabitur pretium, quam quis semper malesuada, est libero feugiat libero, vel fringilla orci nibh sed neque. Quisque eu nulla non nisi molestie accumsan. Etiam tellus urna, laoreet ac, laoreet non, suscipit sed, sapien. Phasellus vehicula, sem at posuere vehicula, augue nibh molestie nisl, nec ullamcorper lacus ante vulputate pede.
-(GraphicsLayer
-  (bounds 800.00 600.00)
-  (children 1
-    (GraphicsLayer
-      (bounds 800.00 600.00)
-      (contentsOpaque 1)
-      (drawsContent 1)
-      (repaint rects
-        (rect 10.00 132.00 292.00 199.00)
-        (rect 304.00 132.00 2.00 199.00)
-        (rect 10.00 132.00 292.00 144.00)
-        (rect 10.00 132.00 242.00 180.00)
-        (rect 252.00 281.00 50.00 50.00)
-        (rect 10.00 132.00 242.00 199.00)
-        (rect 10.00 132.00 242.00 235.00)
-        (rect 304.00 132.00 52.00 199.00)
-        (rect 304.00 132.00 52.00 199.00)
-        (rect 304.00 132.00 52.00 235.00)
-        (rect 304.00 132.00 52.00 199.00)
-        (rect 254.00 132.00 52.00 235.00)
-        (rect 8.00 333.00 300.00 36.00)
-        (rect 8.00 333.00 784.00 36.00)
-        (rect 0.00 341.00 800.00 36.00)
-      )
-    )
-  )
+(repaint rects
+  (rect 10 132 292 199)
+  (rect 304 132 2 199)
+  (rect 10 132 292 144)
+  (rect 10 132 242 180)
+  (rect 252 281 50 50)
+  (rect 10 132 242 199)
+  (rect 10 132 242 235)
+  (rect 304 132 52 199)
+  (rect 304 132 52 199)
+  (rect 304 132 52 235)
+  (rect 304 132 52 199)
+  (rect 254 132 52 235)
+  (rect 8 333 300 36)
+  (rect 8 333 784 36)
+  (rect 0 341 800 36)
 )