Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/svg/filters/feTurbulence-scale-expected.txt

Index: LayoutTests/svg/filters/feTurbulence-scale-expected.txt
diff --git a/LayoutTests/svg/filters/feTurbulence-scale-expected.txt b/LayoutTests/svg/filters/feTurbulence-scale-expected.txt
index e4584723ed40cb6a000c868bd3c64957468c34d2..665409c2d6058bb9c25ced906a56395f18c528a6 100644
--- a/LayoutTests/svg/filters/feTurbulence-scale-expected.txt
+++ b/LayoutTests/svg/filters/feTurbulence-scale-expected.txt
@@ -2,16 +2,16 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (25,25) size 250x100
-    RenderSVGContainer {g} at (25,25) size 250x100
-      RenderSVGContainer {g} at (25,25) size 250x100
+    LayoutSVGContainer {g} at (25,25) size 250x100
+      LayoutSVGContainer {g} at (25,25) size 250x100
         RenderSVGHiddenContainer {defs} at (0,0) size 0x0
           LayoutSVGResourceFilter {filter} [id="Turb1"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
             [feTurbulence type="TURBULENCE" baseFrequency="0.05, 0.05" seed="0.00" numOctaves="2" stitchTiles="0"]
           LayoutSVGResourceFilter {filter} [id="Turb2"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
             [feTurbulence type="TURBULENCE" baseFrequency="0.10, 0.10" seed="0.00" numOctaves="2" stitchTiles="0"]
-        RenderSVGContainer {g} at (25,25) size 100x100 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
+        LayoutSVGContainer {g} at (25,25) size 100x100 [transform={m=((1.00,0.00)(0.00,1.00)) t=(25.00,25.00)}]
           RenderSVGRect {rect} at (25,25) size 100x100 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
             [filter="Turb1"] LayoutSVGResourceFilter {filter} at (0,0) size 100x100
-        RenderSVGContainer {g} at (175,25) size 100x100 [transform={m=((2.00,0.00)(0.00,2.00)) t=(175.00,25.00)}]
+        LayoutSVGContainer {g} at (175,25) size 100x100 [transform={m=((2.00,0.00)(0.00,2.00)) t=(175.00,25.00)}]
           RenderSVGRect {rect} at (175,25) size 100x100 [fill={[type=SOLID] [color=#000000]}] [x=0.00] [y=0.00] [width=50.00] [height=50.00]
             [filter="Turb2"] LayoutSVGResourceFilter {filter} at (0,0) size 50x50