Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/svg/text/select-x-list-2-expected.txt

Index: LayoutTests/svg/text/select-x-list-2-expected.txt
diff --git a/LayoutTests/svg/text/select-x-list-2-expected.txt b/LayoutTests/svg/text/select-x-list-2-expected.txt
index fb06826540aaf75e05caebcaca9260ad85f69d67..1313e61c08b769d309f1e1ea9576a25ac29dae53 100644
--- a/LayoutTests/svg/text/select-x-list-2-expected.txt
+++ b/LayoutTests/svg/text/select-x-list-2-expected.txt
@@ -2,7 +2,7 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (50,5) size 373x57
-    RenderSVGContainer {g} at (197,5) size 92x56
+    LayoutSVGContainer {g} at (197,5) size 92x56
       RenderSVGPath {svg:line} at (197,5) size 6x56 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=40.00] [y1=1.00] [x2=40.00] [y2=12.20]
       RenderSVGPath {svg:line} at (283,5) size 6x56 [stroke={[type=SOLID] [color=#008000]}] [fill={[type=SOLID] [color=#000000]}] [x1=57.22] [y1=1.00] [x2=57.22] [y2=12.20]
       RenderSVGRect {svg:rect} at (200,5) size 87x56 [fill={[type=SOLID] [color=#FF0000] [opacity=0.40]}] [x=40.00] [y=1.00] [width=17.22] [height=11.20]