Move RenderSVGRect to layout/svg

LayoutTests/svg/hixie/text/001-expected.txt

Index: LayoutTests/svg/hixie/text/001-expected.txt
diff --git a/LayoutTests/svg/hixie/text/001-expected.txt b/LayoutTests/svg/hixie/text/001-expected.txt
index 9723b77b65b12d676297041888cc82278c05dc73..56f51be012c737b14564411074317955876c6f3d 100644
--- a/LayoutTests/svg/hixie/text/001-expected.txt
+++ b/LayoutTests/svg/hixie/text/001-expected.txt
@@ -2,8 +2,8 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 400x400
   RenderSVGRoot {svg} at (0,0) size 400x400
-    RenderSVGRect {rect} at (0,0) size 400x400 [fill={[type=SOLID] [color=#EEEEEE]}] [x=0.00] [y=0.00] [width=4.00] [height=4.00]
-    RenderSVGRect {rect} at (100,100) size 200x200 [fill={[type=SOLID] [color=#FF0000]}] [x=1.00] [y=1.00] [width=2.00] [height=2.00]
+    LayoutSVGRect {rect} at (0,0) size 400x400 [fill={[type=SOLID] [color=#EEEEEE]}] [x=0.00] [y=0.00] [width=4.00] [height=4.00]
+    LayoutSVGRect {rect} at (100,100) size 200x200 [fill={[type=SOLID] [color=#FF0000]}] [x=1.00] [y=1.00] [width=2.00] [height=2.00]
     LayoutSVGText {text} at (1,0) size 2x3 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 2x2
         chunk 1 text run 1 at (1.00,2.60) startOffset 0 endOffset 1 width 2.00: "X"