Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt

Index: LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt
diff --git a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt
index ce6b551effe29fddfbf7d54dcf9663240a284909..c17106c44b9766d135f5a8e9aafbacb9b1204dd2 100644
--- a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt
+++ b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/text-path-01-b-expected.txt
@@ -2,13 +2,13 @@ layer at (0,0) size 480x360
   RenderView at (0,0) size 480x360
 layer at (0,0) size 480x360
   RenderSVGRoot {svg} at (0,0) size 480x360
-    RenderSVGContainer {g} at (0,0) size 419x292
+    LayoutSVGContainer {g} at (0,0) size 419x292
       RenderSVGHiddenContainer {defs} at (0,0) size 0x0
         RenderSVGPath {path} at (198,13) size 221x99 [stroke={[type=SOLID] [color=#0000FF]}] [data="M 199 89.3 C 206.6 66.6 235.8 13.2 270 30.3 C 286.6 38.6 298.9 59.4 310 73.3 C 321.7 87.9 338.6 99 356 103.3 C 387.3 111.1 396.6 90.4 418 74.3"]
         RenderSVGPath {path} at (33,69) size 220x99 [stroke={[type=SOLID] [color=#0000FF]}] [data="M 33.5 145.8 C 41 123 70.3 69.7 104.5 86.8 C 121 95 133 116 144.5 129.8 C 156.2 144.4 173 155.5 190.5 159.8 C 221.8 167.6 231 146.9 252.5 130.8"]
         RenderSVGPath {path} at (113,231) size 300x4 [stroke={[type=SOLID] [color=#0000FF] [stroke width=4.00]}] [data="M 113 233 L 413 233"]
-      RenderSVGContainer {g} at (168,0) size 251x114
-        RenderSVGContainer {use} at (198,13) size 221x99
+      LayoutSVGContainer {g} at (168,0) size 251x114
+        LayoutSVGContainer {use} at (198,13) size 221x99
           RenderSVGPath {path} at (198,13) size 221x99 [stroke={[type=SOLID] [color=#0000FF]}] [data="M 199 89.3 C 206.6 66.6 235.8 13.2 270 30.3 C 286.6 38.6 298.9 59.4 310 73.3 C 321.7 87.9 338.6 99 356 103.3 C 387.3 111.1 396.6 90.4 418 74.3"]
         LayoutSVGText {text} at (168,-7) size 206x121 contains 1 chunk(s)
           LayoutSVGTextPath {textPath} at (0,0) size 205x120
@@ -28,8 +28,8 @@ layer at (0,0) size 480x360
               chunk 1 text run 13 at (339.05,96.91) startOffset 12 endOffset 13 width 12.43: "t"
               chunk 1 text run 14 at (354.60,102.94) startOffset 13 endOffset 14 width 20.95: "h"
           LayoutSVGInlineText {#text} at (0,0) size 0x0
-      RenderSVGContainer {g} at (0,50) size 292x161
-        RenderSVGContainer {use} at (33,69) size 220x99
+      LayoutSVGContainer {g} at (0,50) size 292x161
+        LayoutSVGContainer {use} at (33,69) size 220x99
           RenderSVGPath {path} at (33,69) size 220x99 [stroke={[type=SOLID] [color=#0000FF]}] [data="M 33.5 145.8 C 41 123 70.3 69.7 104.5 86.8 C 121 95 133 116 144.5 129.8 C 156.2 144.4 173 155.5 190.5 159.8 C 221.8 167.6 231 146.9 252.5 130.8"]
         LayoutSVGText {text} at (-9,50) size 217x120 contains 1 chunk(s)
           LayoutSVGTextPath {textPath} at (0,0) size 216x120
@@ -60,8 +60,8 @@ layer at (0,0) size 480x360
         LayoutSVGText {text} at (19,189) size 197x22 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 197x22
             chunk 1 text run 1 at (19.00,207.00) startOffset 0 endOffset 23 width 196.64: "the 'textPath' element."
-      RenderSVGContainer {g} at (113,211) size 300x81
-        RenderSVGContainer {use} at (113,231) size 300x4
+      LayoutSVGContainer {g} at (113,211) size 300x81
+        LayoutSVGContainer {use} at (113,231) size 300x4
           RenderSVGPath {path} at (113,231) size 300x4 [stroke={[type=SOLID] [color=#0000FF] [stroke width=4.00]}] [data="M 113 233 L 413 233"]
         LayoutSVGText {text} at (211,211) size 183x27 contains 1 chunk(s)
           LayoutSVGTextPath {textPath} at (0,0) size 182x27