Move and rename RenderBR to LayoutBR.

LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug32205-1-expected.txt

 layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 848
   RenderView at (0,0) size 800x600
 layer at (0,0) size 785x848 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
   RenderBlock {HTML} at (0,0) size 785x848
     RenderBody {BODY} at (8,8) size 769x832
       RenderBlock (anonymous) at (0,0) size 769x100
         RenderText {#text} at (0,0) size 296x19
           text run at (0,0) width 296: "The following three examples are 2 nested tables."
-        RenderBR {BR} at (296,15) size 0x0
+        LayoutBR {BR} at (296,15) size 0x0
         RenderText {#text} at (0,20) size 738x19
           text run at (0,20) width 738: "The inner table has a height of 100%, the outer table has a height set of 200px, on the <table>, <tr> and <td> respectively."
-        RenderBR {BR} at (738,35) size 0x0
-        RenderBR {BR} at (0,40) size 0x19
+        LayoutBR {BR} at (738,35) size 0x0
+        LayoutBR {BR} at (0,40) size 0x19
         RenderText {#text} at (0,60) size 704x19
           text run at (0,60) width 704: "In all examples the inner table should completely fill the outer table. (with respect of the padding and border ofcourse)"
-        RenderBR {BR} at (704,75) size 0x0
-        RenderBR {BR} at (0,80) size 0x19
+        LayoutBR {BR} at (704,75) size 0x0
+        LayoutBR {BR} at (0,80) size 0x19
       LayoutTable {TABLE} at (0,100) size 259x200 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 257x198
           LayoutTableRow {TR} at (0,2) size 257x194
             LayoutTableCell {TD} at (2,2) size 253x194 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 249x190 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 247x188
                   LayoutTableRow {TR} at (0,2) size 247x184
                     LayoutTableCell {TD} at (2,82) size 243x24 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 239x19
                         text run at (2,2) width 239: "outer table has height:200px on <table>"
       RenderBlock (anonymous) at (0,300) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       LayoutTable {TABLE} at (0,320) size 239x206 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 237x204
           LayoutTableRow {TR} at (0,2) size 237x200
             LayoutTableCell {TD} at (2,85) size 233x34 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 229x30 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 227x28
                   LayoutTableRow {TR} at (0,2) size 227x24
                     LayoutTableCell {TD} at (2,2) size 223x24 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 219x19
                         text run at (2,2) width 219: "outer table has height:200px on <tr>"
       RenderBlock (anonymous) at (0,526) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       LayoutTable {TABLE} at (0,546) size 242x206 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 240x204
           LayoutTableRow {TR} at (0,2) size 240x200
             LayoutTableCell {TD} at (2,2) size 236x200 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 232x196 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 230x194
                   LayoutTableRow {TR} at (0,2) size 230x190
                     LayoutTableCell {TD} at (2,85) size 226x24 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 222x19
                         text run at (2,2) width 222: "outer table has height:200px on <td>"
       RenderBlock (anonymous) at (0,752) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       LayoutTable {TABLE} at (0,772) size 595x60 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 593x58
           LayoutTableRow {TR} at (0,2) size 593x54
             LayoutTableCell {TD} at (2,2) size 589x54 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 585x50 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 583x48
                   LayoutTableRow {TR} at (0,2) size 583x44
                     LayoutTableCell {TD} at (2,2) size 579x44 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 364x19
                         text run at (2,2) width 364: "outer table has no height set, inner table has a height of 50%."
-                      RenderBR {BR} at (366,17) size 0x0
+                      LayoutBR {BR} at (366,17) size 0x0
                       RenderText {#text} at (2,22) size 575x19
                         text run at (2,22) width 575: "Here the height should be set to auto, because the height of the outer td depends on the content."