Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt

Index: LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt
diff --git a/LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt b/LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt
index 3b071d5ae8da45bc23738e6db8a3a87e8e052e6b..ac85047ed8479663875a527cb3f0d37371f47f9c 100644
--- a/LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt
+++ b/LayoutTests/platform/mac/svg/text/text-fonts-02-t-expected.txt
@@ -2,7 +2,7 @@ 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 (100,37) size 604x525
+    LayoutSVGContainer {g} at (100,37) size 604x525
       LayoutSVGText {text} at (360,22) size 50x35 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 50x35
           chunk 1 text run 1 at (360.00,50.00) startOffset 0 endOffset 3 width 49.72: "100"
@@ -36,11 +36,11 @@ layer at (0,0) size 800x600
       LayoutSVGText {text} at (60,102) size 191x35 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 191x35
           chunk 1 text run 1 at (60.00,130.00) startOffset 0 endOffset 14 width 190.31: "This is normal"
-      RenderSVGContainer {g} at (100,253) size 356x59
+      LayoutSVGContainer {g} at (100,253) size 356x59
         LayoutSVGText {text} at (60,152) size 214x35 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 214x35
             chunk 1 text run 1 at (60.00,180.00) startOffset 0 endOffset 14 width 213.13: "Blue is bolder"
-      RenderSVGContainer {g} at (100,337) size 306x58
+      LayoutSVGContainer {g} at (100,337) size 306x58
         LayoutSVGText {text} at (60,202) size 184x35 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 184x35
             chunk 1 text run 1 at (60.00,230.00) startOffset 0 endOffset 15 width 183.44: "Blue is lighter"