Fixed-position repaint invalidations should be sent to the correct composited layer.

LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer-expected.txt

Index: LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer-expected.txt
diff --git a/LayoutTests/compositing/layer-creation/fixed-position-and-transform-expected.txt b/LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer-expected.txt
similarity index 58%
copy from LayoutTests/compositing/layer-creation/fixed-position-and-transform-expected.txt
copy to LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer-expected.txt
index 659078abd76c84b89dd4d28a915dfdae5f2d80c2..9c9d3e6d88eb36f834520d0032d5752b79d3fc10 100644
--- a/LayoutTests/compositing/layer-creation/fixed-position-and-transform-expected.txt
+++ b/LayoutTests/compositing/repaint/fixed-pos-inside-composited-intermediate-layer-expected.txt
@@ -1,24 +1,27 @@
 (GraphicsLayer
-  (bounds 785.00 5021.00)
+  (bounds 785.00 30020.00)
   (children 1
     (GraphicsLayer
-      (bounds 785.00 5021.00)
+      (bounds 785.00 30020.00)
       (contentsOpaque 1)
       (drawsContent 1)
       (children 2
         (GraphicsLayer
-          (position 100.00 1100.00)
-          (bounds 256.00 256.00)
+          (position 8.00 8.00)
+          (bounds 500.00 500.00)
           (contentsOpaque 1)
           (drawsContent 1)
-          (backgroundColor #FF0000)
+          (backgroundColor #00FFFF)
         )
         (GraphicsLayer
-          (position 0.00 1000.00)
-          (bounds 500.00 500.00)
+          (position 20.00 20.00)
+          (bounds 100.00 30000.00)
           (contentsOpaque 1)
           (drawsContent 1)
           (backgroundColor #008000)
+          (repaint rects
+            (rect 25.00 25.00 50.00 150.00)
+          )
         )
       )
     )