Move RenderSVGRect to layout/svg

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

Index: LayoutTests/platform/linux/svg/custom/getsvgdocument-expected.txt
diff --git a/LayoutTests/platform/linux/svg/custom/getsvgdocument-expected.txt b/LayoutTests/platform/linux/svg/custom/getsvgdocument-expected.txt
index c5236ce8f9a045656206f86f0f3b8bbe8d77d0d0..b22604b1400578c10b5bc66c5b9515311780d055 100644
--- a/LayoutTests/platform/linux/svg/custom/getsvgdocument-expected.txt
+++ b/LayoutTests/platform/linux/svg/custom/getsvgdocument-expected.txt
@@ -17,7 +17,7 @@ layer at (8,64) 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 (5,1) size 69x19 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 69x19
             chunk 1 text run 1 at (5.00,16.00) startOffset 0 endOffset 7 width 69.00: "SUCCESS"
@@ -27,7 +27,7 @@ layer at (8,104) 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 (5,1) size 69x19 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 69x19
             chunk 1 text run 1 at (5.00,16.00) startOffset 0 endOffset 7 width 69.00: "SUCCESS"