Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt

Index: LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt
diff --git a/LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt b/LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt
index 9f023c84f988f3b72fcd9b5d822642d3429aa5c5..a6b48db84278b913dcf283fb04bc44e90bd93bdb 100644
--- a/LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt
+++ b/LayoutTests/platform/win/tables/mozilla/core/col_widths_fix_autoFix-expected.txt
@@ -17,7 +17,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 60x17
                 text run at (2,2) width 60: "auto auto"
       RenderBlock (anonymous) at (0,64) size 784x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
       RenderBlock {HR} at (0,90) size 102x2 [border: (1px inset #EEEEEE)]
       RenderBlock (anonymous) at (0,100) size 784x18
         RenderText {#text} at (0,0) size 321x17
@@ -35,7 +35,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 22x17
                 text run at (2,2) width 22: "foo"
       RenderBlock (anonymous) at (0,146) size 784x36
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 321x17
           text run at (0,18) width 321: "table fixed at 600, 1st 2 cells fixed at 100, 2nd not"
       LayoutTable {TABLE} at (0,182) size 600x28 [border: (1px outset #808080)]
@@ -51,7 +51,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 22x17
                 text run at (2,2) width 22: "foo"
       RenderBlock (anonymous) at (0,210) size 784x36
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 313x17
           text run at (0,18) width 313: "table fixed at 600, 1st 2 cells fixed at 50, 2nd not"
       LayoutTable {TABLE} at (0,246) size 600x28 [border: (1px outset #808080)]
@@ -67,7 +67,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 22x17
                 text run at (2,2) width 22: "foo"
       RenderBlock (anonymous) at (0,274) size 784x36
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 329x17
           text run at (0,18) width 329: "table fixed at 600, 1st 2 cells fixed at 1000, 2nd not"
       LayoutTable {TABLE} at (0,310) size 600x28 [border: (1px outset #808080)]
@@ -83,7 +83,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 22x17
                 text run at (2,2) width 22: "foo"
       RenderBlock (anonymous) at (0,338) size 784x36
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 305x17
           text run at (0,18) width 305: "table fixed at 600, 1st 2 cells fixed at 5, 2nd not"
       LayoutTable {TABLE} at (0,374) size 600x28 [border: (1px outset #808080)]
@@ -99,4 +99,4 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 22x17
                 text run at (2,2) width 22: "foo"
       RenderBlock (anonymous) at (0,402) size 784x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17