Move RenderSVGRect to layout/svg

LayoutTests/svg/custom/mask-with-default-value-expected.txt

Index: LayoutTests/svg/custom/mask-with-default-value-expected.txt
diff --git a/LayoutTests/svg/custom/mask-with-default-value-expected.txt b/LayoutTests/svg/custom/mask-with-default-value-expected.txt
index 01eabd137ced26e172b35f54e131321bf99a6aef..525aca06d0b13ca93743b98b8d00b01f806594ee 100644
--- a/LayoutTests/svg/custom/mask-with-default-value-expected.txt
+++ b/LayoutTests/svg/custom/mask-with-default-value-expected.txt
@@ -4,7 +4,7 @@ layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,0) size 120x120
     RenderSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceMasker {mask} [id="m1"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
-        RenderSVGRect {rect} at (0,0) size 800x600 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=800.00] [height=600.00]
-    RenderSVGRect {rect} at (0,0) size 120x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=120.00] [height=120.00]
-    RenderSVGRect {rect} at (10,10) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=100.00] [height=100.00]
+        LayoutSVGRect {rect} at (0,0) size 800x600 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=800.00] [height=600.00]
+    LayoutSVGRect {rect} at (0,0) size 120x120 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=120.00] [height=120.00]
+    LayoutSVGRect {rect} at (10,10) size 100x100 [fill={[type=SOLID] [color=#FF0000]}] [x=10.00] [y=10.00] [width=100.00] [height=100.00]
       [masker="m1"] LayoutSVGResourceMasker {mask} at (0,0) size 120x120