Move RenderSVGRect to layout/svg

LayoutTests/svg/custom/visibility-override-clip-expected.txt

Index: LayoutTests/svg/custom/visibility-override-clip-expected.txt
diff --git a/LayoutTests/svg/custom/visibility-override-clip-expected.txt b/LayoutTests/svg/custom/visibility-override-clip-expected.txt
index 6989ba49fa8cf3fb0c4599bdfc9a2b0da5a63c10..d8d871996f0b1ead788b1dfc9eaff5d7e34593fd 100644
--- a/LayoutTests/svg/custom/visibility-override-clip-expected.txt
+++ b/LayoutTests/svg/custom/visibility-override-clip-expected.txt
@@ -4,11 +4,11 @@ layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,0) size 100x100
     RenderSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceClipper {clipPath} [id="myclip"] [clipPathUnits=userSpaceOnUse]
-        RenderSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    RenderSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+        LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
     LayoutSVGContainer {g} at (0,0) size 100x100
       [clipPath="myclip"] LayoutSVGResourceClipper {clipPath} at (0,0) size 100x100
       LayoutSVGContainer {g} at (0,0) size 200x200
-        RenderSVGRect {rect} at (0,0) size 200x200 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=200.00] [height=200.00]
-        RenderSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-      RenderSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+        LayoutSVGRect {rect} at (0,0) size 200x200 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=200.00] [height=200.00]
+        LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
+      LayoutSVGRect {rect} at (0,0) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]