Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt

Index: LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt
diff --git a/LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt b/LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt
index d3fe9a3fe3818cb66e397e203f7756f89aaa73d5..b69b907caa96af36bb7106c0363d92bc6f2a0886 100644
--- a/LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt
+++ b/LayoutTests/platform/win/svg/custom/use-events-crash-expected.txt
@@ -2,19 +2,19 @@ layer at (0,0) size 800x600
   RenderView at (0,0) size 800x600
 layer at (0,0) size 480x360
   RenderSVGRoot {svg} at (100,25) size 290x40
-    RenderSVGContainer {g} at (100,25) size 290x40
+    LayoutSVGContainer {g} at (100,25) size 290x40
       RenderSVGHiddenContainer {defs} at (0,0) size 0x0
-        RenderSVGContainer {g} at (0,0) size 42x42
+        LayoutSVGContainer {g} at (0,0) size 42x42
           RenderSVGRect {rect} at (0,0) size 42x42 [stroke={[type=SOLID] [color=#FFFF00] [stroke width=3.00]}] [fill={[type=SOLID] [color=#FF0000]}] [x=0.00] [y=0.00] [width=40.00] [height=40.00]
-      RenderSVGContainer {g} at (100,28) size 230x29
-        RenderSVGContainer {g} at (107,28) size 223x15 [transform={m=((1.00,0.00)(0.00,1.00)) t=(330.00,40.00)}]
+      LayoutSVGContainer {g} at (100,28) size 230x29
+        LayoutSVGContainer {g} at (107,28) size 223x15 [transform={m=((1.00,0.00)(0.00,1.00)) t=(330.00,40.00)}]
           LayoutSVGText {text} at (-223,-12) size 223x15 contains 1 chunk(s)
             LayoutSVGInlineText {#text} at (0,0) size 223x15
               chunk 1 (end anchor) text run 1 at (-223.00,0.00) startOffset 0 endOffset 47 width 223.00: "Right-clicking on green box using a debug build"
-        RenderSVGContainer {g} at (100,42) size 230x15 [transform={m=((1.00,0.00)(0.00,1.00)) t=(330.00,54.00)}]
+        LayoutSVGContainer {g} at (100,42) size 230x15 [transform={m=((1.00,0.00)(0.00,1.00)) t=(330.00,54.00)}]
           LayoutSVGText {text} at (-230,-12) size 230x15 contains 1 chunk(s)
             LayoutSVGInlineText {#text} at (0,0) size 230x15
               chunk 1 (end anchor) text run 1 at (-230.00,0.00) startOffset 0 endOffset 47 width 230.00: "should not cause an assert (Bugzilla Bug 12580)"
-      RenderSVGContainer {g} at (350,25) size 40x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(350.00,25.00)}]
-        RenderSVGContainer {use} at (350,25) size 40x40
+      LayoutSVGContainer {g} at (350,25) size 40x40 [transform={m=((1.00,0.00)(0.00,1.00)) t=(350.00,25.00)}]
+        LayoutSVGContainer {use} at (350,25) size 40x40
           RenderSVGRect {rect} at (350,25) size 40x40 [fill={[type=SOLID] [color=#00FF00]}] [x=0.00] [y=0.00] [width=40.00] [height=40.00]