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

LayoutTests/svg/filters/big-sized-filter-expected.txt

Index: LayoutTests/svg/filters/big-sized-filter-expected.txt
diff --git a/LayoutTests/svg/filters/big-sized-filter-expected.txt b/LayoutTests/svg/filters/big-sized-filter-expected.txt
index a1e98fea958deee85139f70cb7dad147ecd26807..327279086b23c3c952c78a28cc5d2882b1cc43a0 100644
--- a/LayoutTests/svg/filters/big-sized-filter-expected.txt
+++ b/LayoutTests/svg/filters/big-sized-filter-expected.txt
@@ -1,11 +1,11 @@
 layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
-  RenderSVGRoot {svg} at (0,0) size 800x600
+  LayoutSVGRoot {svg} at (0,0) size 800x600
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceLinearGradient {linearGradient} [id="gradient"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,1)]
-        RenderSVGGradientStop {stop} [offset=0.00] [color=#008000]
-        RenderSVGGradientStop {stop} [offset=0.10] [color=#FF0000]
+        LayoutSVGGradientStop {stop} [offset=0.00] [color=#008000]
+        LayoutSVGGradientStop {stop} [offset=0.10] [color=#FF0000]
       LayoutSVGResourceFilter {filter} [id="filter"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
         [feOffset dx="0.00" dy="0.00"]
           [SourceGraphic]