Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

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

Index: LayoutTests/platform/mac/svg/text/text-align-06-b-expected.txt
diff --git a/LayoutTests/platform/mac/svg/text/text-align-06-b-expected.txt b/LayoutTests/platform/mac/svg/text/text-align-06-b-expected.txt
index 96077657fcf3da29f59966b385791813f6cde2cf..5f643d564d6e742c74c68f58214bc503b1849727 100644
--- a/LayoutTests/platform/mac/svg/text/text-align-06-b-expected.txt
+++ b/LayoutTests/platform/mac/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 485x45 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 485x45
           chunk 1 text run 1 at (0.00,40.00) startOffset 0 endOffset 31 width 484.25: "Test 'baseline-shift' (vertic.)"
-      RenderSVGContainer {g} at (136,100) size 489x500
-        RenderSVGContainer {g} at (136,100) size 489x500 [transform={m=((1.00,0.00)(0.00,1.00)) t=(90.00,60.00)}]
+      LayoutSVGContainer {g} at (136,100) size 489x500
+        LayoutSVGContainer {g} at (136,100) size 489x500 [transform={m=((1.00,0.00)(0.00,1.00)) t=(90.00,60.00)}]
           LayoutSVGText {text} at (-9,0) size 25x169 contains 1 chunk(s)
             LayoutSVGInlineText {#text} at (0,0) size 17x68
               chunk 1 (vertical) text run 1 at (-10.50,0.00) startOffset 0 endOffset 1 height 33.60: "t"