Move RenderSVGContainer to layout/svg/LayoutSVGContainer.

LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt

Index: LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt
diff --git a/LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt b/LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt
index 9cbebd25f686538a08114e27d81b84f240bc0626..1a5a714e788f042e5e404ed0e2d26c282f89b73d 100644
--- a/LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt
+++ b/LayoutTests/platform/mac/svg/custom/focus-ring-expected.txt
@@ -4,12 +4,12 @@ layer at (0,0) size 800x600
   RenderSVGRoot {svg} at (10,10) size 437x527
     RenderSVGEllipse {circle} at (10,5) size 110x110 [fill={[type=SOLID] [color=#FFA500]}] [cx=65.00] [cy=60.00] [r=50.00]
     RenderSVGPath {path} at (135,5) size 110x110 [fill={[type=SOLID] [color=#FFA500]}] [data="M 140 10 L 190 110 L 240 60 L 220 60 L 200 30 Z"]
-    RenderSVGContainer {g} at (265,5) size 110x110
+    LayoutSVGContainer {g} at (265,5) size 110x110
       RenderSVGRect {rect} at (270,10) size 100x100 [fill={[type=SOLID] [color=#FFA500]}] [x=270.00] [y=10.00] [width=100.00] [height=100.00]
-    RenderSVGContainer {g} at (10,140) size 137x137 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(60.00,140.00)}]
+    LayoutSVGContainer {g} at (10,140) size 137x137 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(60.00,140.00)}]
       RenderSVGRect {rect} at (3,133) size 151x151 [fill={[type=SOLID] [color=#FFA500]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
     RenderSVGRect {rect} at (143,133) size 151x151 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(200.00,140.00)}] [fill={[type=SOLID] [color=#FFA500]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
-    RenderSVGContainer {g} at (305,135) size 147x147
+    LayoutSVGContainer {g} at (305,135) size 147x147
       RenderSVGRect {rect} at (310,140) size 137x137 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(360.00,140.00)}] [fill={[type=SOLID] [color=#FFA500]}] [x=0.00] [y=0.00] [width=100.00] [height=100.00]
     LayoutSVGText {text} at (10,306) size 78x18 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 78x18
@@ -17,7 +17,7 @@ layer at (0,0) size 800x600
     LayoutSVGText {text} at (0,-14) size 78x18 contains 1 chunk(s)
       LayoutSVGInlineText {#text} at (0,0) size 78x18
         chunk 1 text run 1 at (0.00,0.00) startOffset 0 endOffset 12 width 77.75: "focused text"
-    RenderSVGContainer {g} at (193,302) size 87x66
+    LayoutSVGContainer {g} at (193,302) size 87x66
       LayoutSVGText {text} at (0,-14) size 78x18 contains 1 chunk(s)
         LayoutSVGInlineText {#text} at (0,0) size 78x18
           chunk 1 text run 1 at (0.00,0.00) startOffset 0 endOffset 12 width 77.75: "focused text"
@@ -27,6 +27,6 @@ layer at (0,0) size 800x600
       [clipPath="clip"] LayoutSVGResourceClipper {clipPath} at (0,0) size 100x100
     RenderSVGImage {image} at (143,393) size 151x151 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(200.00,400.00)}]
       [clipPath="clip"] LayoutSVGResourceClipper {clipPath} at (0,0) size 100x100
-    RenderSVGContainer {g} at (303,393) size 151x151 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(360.00,400.00)}]
+    LayoutSVGContainer {g} at (303,393) size 151x151 [transform={m=((0.87,0.50)(-0.50,0.87)) t=(360.00,400.00)}]
       RenderSVGImage {image} at (310,400) size 137x137
         [clipPath="clip"] LayoutSVGResourceClipper {clipPath} at (0,0) size 100x100