Move and rename RenderBR to LayoutBR.

LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt

Index: LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt
diff --git a/LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt b/LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt
index 72c06e3e05eaccfab4c56efed7bc274dae5cef55..b63423a079d6352508d76c030304c9183c4c397a 100644
--- a/LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt
+++ b/LayoutTests/platform/linux/virtual/slimmingpaint/fast/table/040-vertical-expected.txt
@@ -17,10 +17,10 @@ layer at (0,0) size 785x2374 backgroundClip at (0,0) size 785x600 clip at (0,0)
       RenderBlock {P} at (0,174.44) size 769x60
         RenderText {#text} at (0,0) size 139x19
           text run at (0,0) width 139: "The table height is: 100"
-        RenderBR {BR} at (139,15) size 0x0
+        LayoutBR {BR} at (139,15) size 0x0
         RenderText {#text} at (0,20) size 126x19
           text run at (0,20) width 126: "Column One is: 33%"
-        RenderBR {BR} at (126,35) size 0x0
+        LayoutBR {BR} at (126,35) size 0x0
         RenderText {#text} at (0,40) size 128x19
           text run at (0,40) width 128: "Column Two is: 67%"
       RenderBlock {HR} at (0,250.44) size 769x2 [border: (1px inset #EEEEEE)]
@@ -35,10 +35,10 @@ layer at (0,0) size 785x2374 backgroundClip at (0,0) size 785x600 clip at (0,0)
       RenderBlock {P} at (0,876.44) size 769x60
         RenderText {#text} at (0,0) size 139x19
           text run at (0,0) width 139: "The table height is: 600"
-        RenderBR {BR} at (139,15) size 0x0
+        LayoutBR {BR} at (139,15) size 0x0
         RenderText {#text} at (0,20) size 126x19
           text run at (0,20) width 126: "Column One is: 33%"
-        RenderBR {BR} at (126,35) size 0x0
+        LayoutBR {BR} at (126,35) size 0x0
         RenderText {#text} at (0,40) size 128x19
           text run at (0,40) width 128: "Column Two is: 67%"
       RenderBlock {HR} at (0,952.44) size 769x2 [border: (1px inset #EEEEEE)]
@@ -59,10 +59,10 @@ layer at (0,0) size 785x2374 backgroundClip at (0,0) size 785x600 clip at (0,0)
       RenderBlock {P} at (0,1578.44) size 769x60
         RenderText {#text} at (0,0) size 139x19
           text run at (0,0) width 139: "The table height is: 600"
-        RenderBR {BR} at (139,15) size 0x0
+        LayoutBR {BR} at (139,15) size 0x0
         RenderText {#text} at (0,20) size 126x19
           text run at (0,20) width 126: "Column One is: 33%"
-        RenderBR {BR} at (126,35) size 0x0
+        LayoutBR {BR} at (126,35) size 0x0
         RenderText {#text} at (0,40) size 128x19
           text run at (0,40) width 128: "Column Two is: 67%"
       RenderBlock {HR} at (0,1654.44) size 769x2 [border: (1px inset #EEEEEE)]
@@ -79,10 +79,10 @@ layer at (0,0) size 785x2374 backgroundClip at (0,0) size 785x600 clip at (0,0)
       RenderBlock {P} at (0,2280.44) size 769x60
         RenderText {#text} at (0,0) size 139x19
           text run at (0,0) width 139: "The table height is: 600"
-        RenderBR {BR} at (139,15) size 0x0
+        LayoutBR {BR} at (139,15) size 0x0
         RenderText {#text} at (0,20) size 126x19
           text run at (0,20) width 126: "Column One is: 33%"
-        RenderBR {BR} at (126,35) size 0x0
+        LayoutBR {BR} at (126,35) size 0x0
         RenderText {#text} at (0,40) size 128x19
           text run at (0,40) width 128: "Column Two is: 67%"
       RenderBlock {HR} at (0,2356.44) size 769x2 [border: (1px inset #EEEEEE)]