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

LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt

Index: LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt
diff --git a/LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt b/LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt
index 231d4b42ca8bcf641092313bc7b0de56bd07f3cc..a7e8e10d478a0449022ec498c60cba320ba32b8e 100644
--- a/LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt
+++ b/LayoutTests/platform/linux/svg/W3C-SVG-1.1/pservers-grad-18-b-expected.txt
@@ -1,21 +1,21 @@
 layer at (0,0) size 480x360
   RenderView at (0,0) size 480x360
 layer at (0,0) size 480x360
-  RenderSVGRoot {svg} at (0,0) size 480x360
+  LayoutSVGRoot {svg} at (0,0) size 480x360
     LayoutSVGContainer {g} at (50,50) size 250x250
       LayoutSVGContainer {g} at (0,0) size 0x0
         LayoutSVGResourceLinearGradient {linearGradient} [id="MyGradient1"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
-          RenderSVGGradientStop {stop} [offset=0.00] [color=#008000]
-          RenderSVGGradientStop {stop} [offset=1.00] [color=#000000]
+          LayoutSVGGradientStop {stop} [offset=0.00] [color=#008000]
+          LayoutSVGGradientStop {stop} [offset=1.00] [color=#000000]
         LayoutSVGResourceLinearGradient {linearGradient} [id="MyGradient2"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
-          RenderSVGGradientStop {stop} [offset=0.00] [color=#008000]
-          RenderSVGGradientStop {stop} [offset=1.00] [color=#008000]
+          LayoutSVGGradientStop {stop} [offset=0.00] [color=#008000]
+          LayoutSVGGradientStop {stop} [offset=1.00] [color=#008000]
         LayoutSVGResourceLinearGradient {linearGradient} [id="MyGradient3"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
-          RenderSVGGradientStop {stop} [offset=0.00] [color=#008000]
-          RenderSVGGradientStop {stop} [offset=1.00] [color=#000000]
+          LayoutSVGGradientStop {stop} [offset=0.00] [color=#008000]
+          LayoutSVGGradientStop {stop} [offset=1.00] [color=#000000]
         LayoutSVGResourceLinearGradient {linearGradient} [id="MyGradient4"] [gradientUnits=objectBoundingBox] [start=(0,0)] [end=(1,0)]
-          RenderSVGGradientStop {stop} [offset=0.00] [color=#008000]
-          RenderSVGGradientStop {stop} [offset=1.00] [color=#FFFF00]
+          LayoutSVGGradientStop {stop} [offset=0.00] [color=#008000]
+          LayoutSVGGradientStop {stop} [offset=1.00] [color=#FFFF00]
       LayoutSVGContainer {g} at (50,50) size 100x100
         LayoutSVGRect {rect} at (50,50) size 100x100 [fill={[type=LINEAR-GRADIENT] [id="MyGradient1"]}] [x=50.00] [y=50.00] [width=100.00] [height=100.00]
       LayoutSVGContainer {g} at (200,50) size 100x100