Fix border radius on composited children.

third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt

Index: third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt b/third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt
index b9168fc1c4202d466118a4eb76ab879853968ce1..9be3ba94eb0fb6527a1f192921633fd34bbdcf87 100644
--- a/third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/win/fast/borders/border-radius-with-composited-child-expected.txt
@@ -4,11 +4,11 @@ layer at (0,0) size 800x396
   LayoutBlockFlow {HTML} at (0,0) size 800x396
     LayoutBlockFlow {BODY} at (8,16) size 784x372
       LayoutBlockFlow {P} at (0,0) size 784x18
-        LayoutText {#text} at (0,0) size 272x17
-          text run at (0,0) width 272: "Below there should be a solid black circle."
+        LayoutText {#text} at (0,0) size 473x17
+          text run at (0,0) width 473: "Below there should be a solid green circle with a black border and no red."
       LayoutBlockFlow (anonymous) at (0,34) size 784x18
         LayoutBR {BR} at (0,0) size 0x17
 layer at (8,168) size 220x220 clip at (18,178) size 200x200 scrollWidth 250 scrollHeight 250
-  LayoutBlockFlow (relative positioned) zI: 1 {DIV} at (0,152) size 220x220 [bgcolor=#000000] [border: (10px solid #000000)]
+  LayoutBlockFlow (relative positioned) zI: 1 {DIV} at (0,152) size 220x220 [bgcolor=#FF0000] [border: (10px solid #000000)]
 layer at (-32,128) size 300x300 backgroundClip at (18,178) size 200x200 clip at (18,178) size 200x200
-  LayoutBlockFlow {DIV} at (-40,-40) size 300x300
+  LayoutBlockFlow {DIV} at (-40,-40) size 300x300 [bgcolor=#008000]