Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt

Index: LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt
diff --git a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt
index 2937e5ee45cac0ea72ea6329479b0bfb3288ce97..6d7a962e065052bed8309b7b5f33b38f9a75832f 100644
--- a/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt
+++ b/LayoutTests/platform/mac/svg/W3C-SVG-1.1/filters-felem-01-b-expected.txt
@@ -2,30 +2,30 @@ 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 (82,20) size 361x265
+    LayoutSVGContainer {g} at (82,20) size 361x265
       RenderSVGHiddenContainer {defs} at (0,0) size 0x0
         LayoutSVGResourceFilter {filter} [id="null"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
         LayoutSVGResourceFilter {filter} [id="nullreg"] [filterUnits=objectBoundingBox] [primitiveUnits=userSpaceOnUse]
-      RenderSVGContainer {g} at (90,20) size 80x115
+      LayoutSVGContainer {g} at (90,20) size 80x115
         RenderSVGEllipse {circle} at (100,30) size 60x60 [fill={[type=SOLID] [color=#FF0000]}] [cx=130.00] [cy=60.00] [r=30.00]
         RenderSVGEllipse {circle} at (90,20) size 80x80 [fill={[type=SOLID] [color=#000000]}] [cx=130.00] [cy=60.00] [r=40.00]
         LayoutSVGText {text} at (95,112) size 70x23 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 69x23
             chunk 1 (middle anchor) text run 1 at (95.84,130.00) startOffset 0 endOffset 9 width 68.31: "No filter"
-      RenderSVGContainer {g} at (82,162) size 96x123
+      LayoutSVGContainer {g} at (82,162) size 96x123
         RenderSVGEllipse {circle} at (100,180) size 60x60 [fill={[type=SOLID] [color=#FF0000]}] [cx=130.00] [cy=210.00] [r=30.00]
         RenderSVGEllipse {circle} at (82,162) size 96x96 [fill={[type=SOLID] [color=#000000]}] [cx=130.00] [cy=210.00] [r=40.00]
           [filter="null"] LayoutSVGResourceFilter {filter} at (82,162) size 96x96
         LayoutSVGText {text} at (90,262) size 80x23 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 80x23
             chunk 1 (middle anchor) text run 1 at (90.29,280.00) startOffset 0 endOffset 11 width 79.42: "Null filter"
-      RenderSVGContainer {g} at (256,20) size 148x115
+      LayoutSVGContainer {g} at (256,20) size 148x115
         RenderSVGEllipse {circle} at (300,30) size 60x60 [fill={[type=SOLID] [color=#FF0000]}] [cx=330.00] [cy=60.00] [r=30.00]
         RenderSVGEllipse {circle} at (290,20) size 80x80 [fill={[type=SOLID] [color=#000000]}] [cx=330.00] [cy=60.00] [r=40.00]
         LayoutSVGText {text} at (256,112) size 148x23 contains 1 chunk(s)
           LayoutSVGInlineText {#text} at (0,0) size 148x23
             chunk 1 (middle anchor) text run 1 at (256.41,130.00) startOffset 0 endOffset 19 width 147.18: "Non-existant filter"
-      RenderSVGContainer {g} at (217,180) size 226x105
+      LayoutSVGContainer {g} at (217,180) size 226x105
         RenderSVGEllipse {circle} at (300,180) size 60x60 [fill={[type=SOLID] [color=#FF0000]}] [cx=330.00] [cy=210.00] [r=30.00]
         RenderSVGEllipse {circle} at (322,202) size 16x16 [fill={[type=SOLID] [color=#000000]}] [cx=330.00] [cy=210.00] [r=40.00]
           [filter="nullreg"] LayoutSVGResourceFilter {filter} at (322,202) size 16x16