Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt

Index: LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt
diff --git a/LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt b/LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt
index 8dc70e1e88de194347f7143c74c2517e4f9362c2..d475ee8d06176ca95135dda120a0cb9d603a1274 100644
--- a/LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt
+++ b/LayoutTests/platform/linux/svg/W3C-SVG-1.1/animate-elem-04-t-expected.txt
@@ -2,14 +2,14 @@ layer at (0,0) size 480x360
   RenderView at (0,0) size 480x360
 layer at (0,0) size 480x360
   RenderSVGRoot {svg} at (3,3) size 474x354
-    RenderSVGContainer {g} at (42,3) size 426x308
+    LayoutSVGContainer {g} at (42,3) size 426x308
       LayoutSVGText {text} at (8,0) size 66x10 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 66x10
           chunk 1 text run 1 at (8.00,8.00) startOffset 0 endOffset 18 width 66.00: "Test a motion path"
       LayoutSVGText {text} at (9,10) size 65x10 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 65x10
           chunk 1 text run 1 at (9.00,18.00) startOffset 0 endOffset 22 width 64.00: "'from'/'to' attribute."
-      RenderSVGContainer {g} at (42,117) size 426x194
+      LayoutSVGContainer {g} at (42,117) size 426x194
         RenderSVGPath {path} at (89,177) size 302x84 [stroke={[type=SOLID] [color=#000000]}] [data="M 15 43 L 65 30"]
         RenderSVGRect {rect} at (57,195) size 66x66 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#FFCCCC]}] [x=10.00] [y=33.00] [width=10.00] [height=10.00]
         LayoutSVGText {text} at (7,42) size 22x10 contains 1 chunk(s)