Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt

Index: LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt
diff --git a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt
index 7a7f1502008a5171b6b0f7d47dedd69cb51b187c..3d3352e5d7c572aedf25364f07b7520537a785e2 100644
--- a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt
+++ b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/animate-elem-08-t-expected.txt
@@ -2,11 +2,11 @@ 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
-    RenderSVGContainer {g} at (0,12) size 445x251
+    LayoutSVGContainer {g} at (0,12) size 445x251
       LayoutSVGText {text} at (91,12) size 268x16 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 267x16
           chunk 1 (middle anchor) text run 1 at (91.63,25.00) startOffset 0 endOffset 44 width 266.74: "Test rotate='auto' and rotate='auto-reverse'"
-      RenderSVGContainer {g} at (0,150) size 445x113
+      LayoutSVGContainer {g} at (0,150) size 445x113
         RenderSVGPath {path} at (24,150) size 152x75 [stroke={[type=SOLID] [color=#000000] [stroke width=2.00]}] [data="M 25 225 C 25 175 125 150 175 200"]
         RenderSVGRect {rect} at (8,193) size 34x34 [stroke={[type=SOLID] [color=#000000] [stroke width=4.00]}] [fill={[type=SOLID] [color=#FFCCCC]}] [x=10.00] [y=195.00] [width=30.00] [height=30.00]
         LayoutSVGText {text} at (8,229) size 33x14 contains 1 chunk(s)