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

LayoutTests/platform/win/svg/css/text-gradient-shadow-expected.txt

Index: LayoutTests/platform/win/svg/css/text-gradient-shadow-expected.txt
diff --git a/LayoutTests/platform/win/svg/css/text-gradient-shadow-expected.txt b/LayoutTests/platform/win/svg/css/text-gradient-shadow-expected.txt
index 38637fe8d6ab4cc0d0e6e9bc89e7d5f6d5bb332f..3f2905e666345a349227bb17e805f73b57747174 100644
--- a/LayoutTests/platform/win/svg/css/text-gradient-shadow-expected.txt
+++ b/LayoutTests/platform/win/svg/css/text-gradient-shadow-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 (200,22) size 441x261
+  LayoutSVGRoot {svg} at (200,22) size 441x261
     LayoutSVGHiddenContainer {defs} at (0,0) size 0x0
       LayoutSVGResourceLinearGradient {linearGradient} [id="gradient"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
-        RenderSVGGradientStop {stop} [offset=0.00] [color=#FF0000]
-        RenderSVGGradientStop {stop} [offset=1.00] [color=#0000FF]
+        LayoutSVGGradientStop {stop} [offset=0.00] [color=#FF0000]
+        LayoutSVGGradientStop {stop} [offset=1.00] [color=#0000FF]
     LayoutSVGText {text} at (200,22) size 401x221 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 401x221
         chunk 1 text run 1 at (200.00,200.00) startOffset 0 endOffset 3 width 400.10: "SVG"