Move RenderSVGRect to layout/svg

LayoutTests/platform/mac/svg/hixie/error/012-expected.txt

Index: LayoutTests/platform/mac/svg/hixie/error/012-expected.txt
diff --git a/LayoutTests/platform/mac/svg/hixie/error/012-expected.txt b/LayoutTests/platform/mac/svg/hixie/error/012-expected.txt
index cccce838d9e7730664020af26346c3e054d3ab08..da97dca142ae2ef88564753760352c1d45721962 100644
--- a/LayoutTests/platform/mac/svg/hixie/error/012-expected.txt
+++ b/LayoutTests/platform/mac/svg/hixie/error/012-expected.txt
@@ -16,5 +16,5 @@ layer at (0,0) size 785x600
             text run at (0,0) width 421: "Below is a rendering of the page up to the first error."
       RenderBlock (anonymous) at (0,152.88) size 769x604
         RenderSVGRoot {svg} at (18,178) size 200x201
-          RenderSVGRect {rect} at (18,178) size 200x201 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=200.00] [height=200.00]
-          RenderSVGRect {rect} at (18,178) size 200x201 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=200.00] [height=200.00]
+          LayoutSVGRect {rect} at (18,178) size 200x201 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=200.00] [height=200.00]
+          LayoutSVGRect {rect} at (18,178) size 200x201 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=200.00] [height=200.00]