Move the remaining rendering/svg/RenderSVG* files to layout.

LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt

Index: LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt
diff --git a/LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt b/LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt
index 499ff22d15120631df6e1a6e589d465baab0f345..585782bedb3af514390a64cf93c6fe3bb48230c4 100644
--- a/LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt
+++ b/LayoutTests/svg/custom/path-moveto-only-rendering-expected.txt
@@ -1,7 +1,7 @@
 layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  RenderSVGRoot {svg} at (0,0) size 77x77
+  LayoutSVGRoot {svg} at (0,0) size 77x77
     LayoutSVGContainer {g} at (0,0) size 77x77 [transform={m=((0.77,0.00)(0.00,0.77)) t=(0.00,0.00)}]
       LayoutSVGRect {rect} at (0,0) size 77x77 [fill={[type=SOLID] [color=#008000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
       LayoutSVGPath {path} at (0,0) size 0x0 [stroke={[type=SOLID] [color=#FF0000] [stroke width=496.95] [miter limit=8.00] [line cap=SQUARE]}] [fill={[type=SOLID] [color=#000000]}] [data="M 0 0"]