Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt

Index: LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt
diff --git a/LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt b/LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt
index 9082a40b6f9cad0910d4b795c831ec44913b9670..dd55081da0d45e5dc6f655f73557245220d3116d 100644
--- a/LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt
+++ b/LayoutTests/platform/linux/svg/text/text-align-06-b-expected.txt
@@ -2,12 +2,12 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (0,0) size 800x600
-    RenderSVGContainer {g} at (0,6) size 800x594
+    LayoutSVGContainer {g} at (0,6) size 800x594
       LayoutSVGText {text} at (0,4) size 488x45 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 488x45
           chunk 1 text run 1 at (0.00,40.00) startOffset 0 endOffset 31 width 487.80: "Test 'baseline-shift' (vertic.)"
-      RenderSVGContainer {g} at (135,100) size 492x500
-        RenderSVGContainer {g} at (135,100) size 492x500 [transform={m=((1.00,0.00)(0.00,1.00)) t=(90.00,60.00)}]
+      LayoutSVGContainer {g} at (135,100) size 492x500
+        LayoutSVGContainer {g} at (135,100) size 492x500 [transform={m=((1.00,0.00)(0.00,1.00)) t=(90.00,60.00)}]
           LayoutSVGText {text} at (-9,0) size 25x172 contains 1 chunk(s)
             LayoutSVGInlineText {#text} at (0,0) size 17x69
               chunk 1 (vertical) text run 1 at (-10.50,0.00) startOffset 0 endOffset 1 height 34.20: "t"