Move rendering/svg/RenderSVGResource* 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 1cc4720aa51b9c6143d79a3512a7d42d43dbc0e0..01eabd137ced26e172b35f54e131321bf99a6aef 100644
--- a/LayoutTests/svg/custom/mask-with-default-value-expected.txt
+++ b/LayoutTests/svg/custom/mask-with-default-value-expected.txt
@@ -3,8 +3,8 @@ layer at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,0) size 120x120
     RenderSVGHiddenContainer {defs} at (0,0) size 0x0
-      RenderSVGResourceMasker {mask} [id="m1"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
+      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]
-      [masker="m1"] RenderSVGResourceMasker {mask} at (0,0) size 120x120
+      [masker="m1"] LayoutSVGResourceMasker {mask} at (0,0) size 120x120