Move the SVG container code from rendering/svg to layout/svg.

LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt

Index: LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt
diff --git a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt
index 68fc9635102cb56b8128e359688140ed52bcf6a5..0d32ff71d3dfb6a65b745327aef8b9ede7031894 100644
--- a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt
+++ b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/coords-viewattr-03-b-expected.txt
@@ -6,7 +6,7 @@ layer at (0,0) size 480x360
       LayoutSVGInlineText {#text} at (0,0) size 207x23
         chunk 1 (middle anchor) text run 1 at (136.80,28.00) startOffset 0 endOffset 25 width 206.41: "<svg> 'viewBox' attribute"
     LayoutSVGContainer {g} at (19,59) size 446x244
-      RenderSVGViewportContainer {svg} at (44,59) size 82x82
+      LayoutSVGViewportContainer {svg} at (44,59) size 82x82
         LayoutSVGPath {path} at (44,59) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (19,143) size 132x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 132x15
@@ -14,7 +14,7 @@ layer at (0,0) size 480x360
       LayoutSVGText {text} at (33,158) size 104x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 104x15
           chunk 1 (middle anchor) text run 1 at (33.32,170.00) startOffset 0 endOffset 18 width 103.37: "overflow=\"visible\""
-      RenderSVGViewportContainer {svg} at (44,189) size 82x82
+      LayoutSVGViewportContainer {svg} at (44,189) size 82x82
         LayoutSVGPath {path} at (44,189) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (19,273) size 132x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 132x15
@@ -22,7 +22,7 @@ layer at (0,0) size 480x360
       LayoutSVGText {text} at (32,288) size 106x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 105x15
           chunk 1 (middle anchor) text run 1 at (32.94,300.00) startOffset 0 endOffset 17 width 104.11: "overflow=\"hidden\""
-      RenderSVGViewportContainer {svg} at (199,59) size 82x82
+      LayoutSVGViewportContainer {svg} at (199,59) size 82x82
         LayoutSVGPath {path} at (199,59) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (174,143) size 132x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 132x15
@@ -30,7 +30,7 @@ layer at (0,0) size 480x360
       LayoutSVGText {text} at (188,158) size 104x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 104x15
           chunk 1 (middle anchor) text run 1 at (188.32,170.00) startOffset 0 endOffset 18 width 103.37: "overflow=\"visible\""
-      RenderSVGViewportContainer {svg} at (199,189) size 82x82
+      LayoutSVGViewportContainer {svg} at (199,189) size 82x82
         LayoutSVGPath {path} at (199,189) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (174,273) size 132x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 132x15
@@ -38,7 +38,7 @@ layer at (0,0) size 480x360
       LayoutSVGText {text} at (187,288) size 106x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 105x15
           chunk 1 (middle anchor) text run 1 at (187.94,300.00) startOffset 0 endOffset 17 width 104.11: "overflow=\"hidden\""
-      RenderSVGViewportContainer {svg} at (354,59) size 82x82
+      LayoutSVGViewportContainer {svg} at (354,59) size 82x82
         LayoutSVGPath {path} at (354,59) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (325,143) size 140x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 139x15
@@ -47,7 +47,7 @@ layer at (0,0) size 480x360
       LayoutSVGText {text} at (343,158) size 104x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 104x15
           chunk 1 (middle anchor) text run 1 at (343.32,170.00) startOffset 0 endOffset 18 width 103.37: "overflow=\"visible\""
-      RenderSVGViewportContainer {svg} at (354,189) size 82x82
+      LayoutSVGViewportContainer {svg} at (354,189) size 82x82
         LayoutSVGPath {path} at (354,189) size 82x82 [stroke={[type=SOLID] [color=#000000]}] [fill={[type=SOLID] [color=#ADD8E6] [fill rule=EVEN-ODD]}] [data="M 20 20 C 126.667 20 180 73.3333 180 180 C 73.3333 180 20 126.667 20 20 Z M 20 180 C 20 73.3333 73.3333 20 180 20 C 180 126.667 126.667 180 20 180 Z M 100 40 L 160 100 L 100 160 L 40 100 Z"]
       LayoutSVGText {text} at (325,273) size 140x15 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 139x15