Move RenderSVGRect to layout/svg

LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt

Index: LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt
diff --git a/LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt b/LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt
index 438fa49f8a847ad29d1848a30ce3dae64b2e627f..3c763e9452c0f1737b7b8ec29fde6337a0d2f156 100644
--- a/LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt
+++ b/LayoutTests/svg/custom/mask-on-multiple-objects-expected.txt
@@ -5,7 +5,7 @@ layer at (0,0) size 800x600
     RenderSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceMasker {mask} [id="mask"] [maskUnits=objectBoundingBox] [maskContentUnits=objectBoundingBox]
         RenderSVGEllipse {circle} at (0,0) size 1x1 [fill={[type=SOLID] [color=#FFFFFF]}] [cx=0.50] [cy=0.50] [r=0.50]
-    RenderSVGRect {rect} at (20,20) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=20.00] [y=20.00] [width=100.00] [height=100.00]
+    LayoutSVGRect {rect} at (20,20) size 100x100 [fill={[type=SOLID] [color=#008000]}] [x=20.00] [y=20.00] [width=100.00] [height=100.00]
       [masker="mask"] LayoutSVGResourceMasker {mask} at (20,20) size 100x100
-    RenderSVGRect {rect} at (140,50) size 100x40 [fill={[type=SOLID] [color=#008000]}] [x=140.00] [y=50.00] [width=100.00] [height=40.00]
+    LayoutSVGRect {rect} at (140,50) size 100x40 [fill={[type=SOLID] [color=#008000]}] [x=140.00] [y=50.00] [width=100.00] [height=40.00]
       [masker="mask"] LayoutSVGResourceMasker {mask} at (140,50) size 100x40