Fix border radius on composited children.

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

Index: third_party/WebKit/LayoutTests/platform/linux/fast/borders/border-radius-with-composited-child-expected.txt
diff --git a/third_party/WebKit/LayoutTests/platform/linux/fast/borders/border-radius-with-composited-child-expected.txt b/third_party/WebKit/LayoutTests/platform/linux/fast/borders/border-radius-with-composited-child-expected.txt
index 89b3ca3c8d6314002fc6f01a1781c6277c8af965..fd7a43ae0b4941f19f5719e16456ea34c232f6dd 100644
--- a/third_party/WebKit/LayoutTests/platform/linux/fast/borders/border-radius-with-composited-child-expected.txt
+++ b/third_party/WebKit/LayoutTests/platform/linux/fast/borders/border-radius-with-composited-child-expected.txt
@@ -4,11 +4,11 @@ layer at (0,0) size 800x400
   LayoutBlockFlow {HTML} at (0,0) size 800x400
     LayoutBlockFlow {BODY} at (8,16) size 784x376
       LayoutBlockFlow {P} at (0,0) size 784x20
-        LayoutText {#text} at (0,0) size 255x19
-          text run at (0,0) width 255: "Below there should be a solid black circle."
+        LayoutText {#text} at (0,0) size 446x19
+          text run at (0,0) width 446: "Below there should be a solid green circle with a black border and no red."
       LayoutBlockFlow (anonymous) at (0,36) size 784x20
         LayoutBR {BR} at (0,0) size 0x19
 layer at (8,172) size 220x220 clip at (18,182) size 200x200 scrollWidth 250 scrollHeight 250
-  LayoutBlockFlow (relative positioned) zI: 1 {DIV} at (0,156) size 220x220 [bgcolor=#000000] [border: (10px solid #000000)]
+  LayoutBlockFlow (relative positioned) zI: 1 {DIV} at (0,156) size 220x220 [bgcolor=#FF0000] [border: (10px solid #000000)]
 layer at (-32,132) size 300x300 backgroundClip at (18,182) size 200x200 clip at (18,182) size 200x200
-  LayoutBlockFlow {DIV} at (-40,-40) size 300x300
+  LayoutBlockFlow {DIV} at (-40,-40) size 300x300 [bgcolor=#008000]