Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

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

Index: LayoutTests/platform/win/svg/text/scaled-font-expected.txt
diff --git a/LayoutTests/platform/win/svg/text/scaled-font-expected.txt b/LayoutTests/platform/win/svg/text/scaled-font-expected.txt
index a1655d7184158c34e8d0fd10c7efd03aa1a51226..eff425caa8cb8855b5e347faf64fb0c189f1b591 100644
--- a/LayoutTests/platform/win/svg/text/scaled-font-expected.txt
+++ b/LayoutTests/platform/win/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 (0,188) size 494x327
-    RenderSVGContainer {g} at (0,188) size 494x327
-      RenderSVGContainer {g} at (0,188) size 493x133 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,70.00)}]
+    LayoutSVGContainer {g} at (0,188) size 494x327
+      LayoutSVGContainer {g} at (0,188) size 493x133 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,70.00)}]
         LayoutSVGText {text} at (0,-39) size 178x49 contains 1 chunk(s)
           RenderSVGTSpan {tspan} at (0,0) size 10x16
             LayoutSVGInlineText {#text} at (0,26) size 10x15
@@ -44,7 +44,7 @@ layer at (0,0) size 800x600
             LayoutSVGInlineText {#text} at (146,0) size 31x48
               chunk 1 text run 1 at (146.57,0.00) startOffset 0 endOffset 1 width 30.81: "A"
           LayoutSVGInlineText {#text} at (0,0) size 0x0
-      RenderSVGContainer {g} at (0,382) size 494x133 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,140.00)}]
+      LayoutSVGContainer {g} at (0,382) size 494x133 [transform={m=((1.00,0.00)(0.00,1.00)) t=(0.00,140.00)}]
         LayoutSVGText {text} at (0,-4) size 18x5 contains 1 chunk(s)
           RenderSVGTSpan {tspan} at (0,0) size 1x3
             LayoutSVGInlineText {#text} at (0,2) size 1x2