Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt

Index: LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt
diff --git a/LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt b/LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt
index d883a50d23a59abb1f461a45a10286f88f42974b..5dfa40ccd3884d16ba8d87a38b1662f9b663e835 100644
--- a/LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt
+++ b/LayoutTests/platform/win-xp/tables/mozilla/core/col_widths_fix_autoPer-expected.txt
@@ -16,7 +16,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 20x19
                 text run at (2,2) width 20: "foo"
       RenderBlock (anonymous) at (0,50) size 784x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 380x19
           text run at (0,20) width 380: "fixed table - too small a percentage width cell is honored to min"
       LayoutTable {TABLE} at (0,90) size 300x30 [border: (1px outset #808080)]
@@ -29,7 +29,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 20x19
                 text run at (2,2) width 20: "foo"
       RenderBlock (anonymous) at (0,120) size 784x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 307x19
           text run at (0,20) width 307: "fixed table - percentage cell width includes padding"
       LayoutTable {TABLE} at (0,160) size 300x68 [border: (1px outset #808080)]
@@ -42,7 +42,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (21,21) size 55x19
                 text run at (21,21) width 55: "cell=auto"
       RenderBlock (anonymous) at (0,228) size 784x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       LayoutTable {TABLE} at (0,248) size 300x30 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 298x28
           LayoutTableRow {TR} at (0,2) size 298x24
@@ -53,7 +53,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 55x19
                 text run at (2,2) width 55: "cell=auto"
       RenderBlock (anonymous) at (0,278) size 784x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 238x19
           text run at (0,20) width 238: "fixed table - % cells don't get expanded"
       LayoutTable {TABLE} at (0,318) size 200x30 [border: (1px outset #808080)]
@@ -69,7 +69,7 @@ layer at (0,0) size 800x600
               RenderText {#text} at (2,2) size 26x19
                 text run at (2,2) width 26: "auto"
       RenderBlock (anonymous) at (0,348) size 784x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 196x19
           text run at (0,20) width 196: "fixed table - % cells are honored"
       LayoutTable {TABLE} at (0,388) size 200x50 [border: (1px outset #808080)]