Move rendering/svg/RenderSVGResource* to layout/svg.

LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt

Index: LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt
diff --git a/LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt b/LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt
index 413f0b994c5ae57552d184fe39bbca79379c756c..3a18a347f9ec86b219526cde6c94431965c293ac 100644
--- a/LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt
+++ b/LayoutTests/platform/linux/svg/custom/empty-mask-expected.txt
@@ -3,12 +3,12 @@ layer at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,0) size 0x0
     RenderSVGHiddenContainer {defs} at (0,0) size 0x0
-      RenderSVGResourceMasker {mask} [id="mask"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
+      LayoutSVGResourceMasker {mask} [id="mask"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
         RenderSVGRect {rect} at (0,0) size 0x0 [fill={[type=SOLID] [color=#FFFFFF]}] [x=-0.50] [y=-0.50] [width=0.10] [height=0.10]
     RenderSVGRect {rect} at (0,0) size 0x0 [fill={[type=SOLID] [color=#008000]}] [x=20.00] [y=20.00] [width=100.00] [height=100.00]
-      [masker="mask"] RenderSVGResourceMasker {mask} at (0,0) size 0x0
+      [masker="mask"] LayoutSVGResourceMasker {mask} at (0,0) size 0x0
     RenderSVGText {text} at (60,45) size 21x19 contains 1 chunk(s)
-      [masker="mask"] RenderSVGResourceMasker {mask} at (0,0) size 0x0
+      [masker="mask"] LayoutSVGResourceMasker {mask} at (0,0) size 0x0
       RenderSVGTSpan {tspan} at (0,0) size 21x19
         RenderSVGInlineText {#text} at (0,0) size 21x19
           chunk 1 text run 1 at (60.00,60.00) startOffset 0 endOffset 4 width 21.00: "test"