Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt

Index: LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt
diff --git a/LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt b/LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt
index f357017135fa17f5bf3189b74556ecae6b026677..6fe595fce4adfdb010af7efcad3c63de4b654aa5 100644
--- a/LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt
+++ b/LayoutTests/platform/win-xp/svg/text/scaled-font-expected.txt
@@ -2,8 +2,8 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,189) size 484x329
-    RenderSVGContainer {g} at (0,189) size 484x329
-      RenderSVGContainer {g} at (0,189) size 484x134 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,70.00)}]
+    LayoutSVGContainer {g} at (0,189) size 484x329
+      LayoutSVGContainer {g} at (0,189) size 484x134 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,70.00)}]
         LayoutSVGText {text} at (0,-38) size 174x49 contains 1 chunk(s)
           RenderSVGTSpan {tspan} at (0,0) size 9x17
             LayoutSVGInlineText {#text} at (0,25) size 9x16
@@ -44,7 +44,7 @@ layer at (0,0) size 800x600
             LayoutSVGInlineText {#text} at (143,0) size 31x48
               chunk 1 text run 1 at (143.28,0.00) startOffset 0 endOffset 1 width 30.60: "A"
           LayoutSVGInlineText {#text} at (0,0) size 0x0
-      RenderSVGContainer {g} at (0,383) size 484x135 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,140.00)}]
+      LayoutSVGContainer {g} at (0,383) size 484x135 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,140.00)}]
         LayoutSVGText {text} at (0,-4) size 18x6 contains 1 chunk(s)
           RenderSVGTSpan {tspan} at (0,0) size 1x3
             LayoutSVGInlineText {#text} at (0,2) size 1x2