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

LayoutTests/svg/batik/masking/maskRegions-expected.txt

Index: LayoutTests/svg/batik/masking/maskRegions-expected.txt
diff --git a/LayoutTests/svg/batik/masking/maskRegions-expected.txt b/LayoutTests/svg/batik/masking/maskRegions-expected.txt
index 8f02ede7bdf5a6efd134d2a63b4b195cf49d2802..96c63d4bcfd82c0f0cdedd6a45c65875b10b658e 100644
--- a/LayoutTests/svg/batik/masking/maskRegions-expected.txt
+++ b/LayoutTests/svg/batik/masking/maskRegions-expected.txt
@@ -1,15 +1,15 @@
 layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 450x500
-  RenderSVGRoot {svg} at (0,0) size 448x498
+  LayoutSVGRoot {svg} at (0,0) size 448x498
     LayoutSVGContainer {g} at (90,36) size 265x368
       LayoutSVGText {text} at (174,36) size 102x17 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 102x17
           chunk 1 (middle anchor) text run 1 at (174.31,50.00) startOffset 0 endOffset 12 width 101.38: "Mask Regions"
       LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
         LayoutSVGResourceLinearGradient {linearGradient} [id="maskedGradient"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,1)]
-          RenderSVGGradientStop {stop} [offset=0.00] [color=#0000FF]
-          RenderSVGGradientStop {stop} [offset=1.00] [color=#FF0000]
+          LayoutSVGGradientStop {stop} [offset=0.00] [color=#0000FF]
+          LayoutSVGGradientStop {stop} [offset=1.00] [color=#FF0000]
         LayoutSVGRect {rect} at (0,0) size 100x80 [fill={[type=LINEAR-GRADIENT] [id="maskedGradient"]}] [x=0.00] [y=0.00] [width=100.00] [height=80.00]
         LayoutSVGResourceMasker {mask} [id="mask_1"] [maskUnits=objectBoundingBox] [maskContentUnits=userSpaceOnUse]
           LayoutSVGEllipse {circle} at (5,0) size 40x40 [fill={[type=SOLID] [color=#FFFFFF]}] [cx=25.00] [cy=20.00] [r=20.00]