Move RenderSVGRect to layout/svg

LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt

Index: LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt
diff --git a/LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt b/LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt
index 250c6d120fb5dd205cad98570752b950503c58fb..28b4a2d631501ef4d8a5bacb21798181b276f41d 100644
--- a/LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt
+++ b/LayoutTests/platform/mac/svg/custom/getsvgdocument-expected.txt
@@ -17,7 +17,7 @@ layer at (8,60) size 85x20
       RenderView at (0,0) size 85x20
     layer at (0,0) size 85x20
       RenderSVGRoot {svg} at (0,0) size 85x20
-        RenderSVGRect {rect} at (0,0) size 85x20 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=85.00] [height=20.00]
+        LayoutSVGRect {rect} at (0,0) size 85x20 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=85.00] [height=20.00]
         LayoutSVGText {text} at (5,2) size 70x18 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 70x18
             chunk 1 text run 1 at (5.00,16.00) startOffset 0 endOffset 7 width 69.37: "SUCCESS"
@@ -27,7 +27,7 @@ layer at (8,98) size 85x20
       RenderView at (0,0) size 85x20
     layer at (0,0) size 85x20
       RenderSVGRoot {svg} at (0,0) size 85x20
-        RenderSVGRect {rect} at (0,0) size 85x20 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=85.00] [height=20.00]
+        LayoutSVGRect {rect} at (0,0) size 85x20 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=85.00] [height=20.00]
         LayoutSVGText {text} at (5,2) size 70x18 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 70x18
             chunk 1 text run 1 at (5.00,16.00) startOffset 0 endOffset 7 width 69.37: "SUCCESS"