Move and rename RenderBR to LayoutBR.

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

 layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 846
   RenderView at (0,0) size 800x600
 layer at (0,0) size 785x846 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
   RenderBlock {HTML} at (0,0) size 785x846
     RenderBody {BODY} at (8,8) size 769x830
       RenderBlock (anonymous) at (0,0) size 769x108
         RenderText {#text} at (0,0) size 318x18
           text run at (0,0) width 318: "The following three examples are 2 nested tables."
-        RenderBR {BR} at (317,14) size 1x0
+        LayoutBR {BR} at (317,14) size 1x0
         RenderText {#text} at (0,18) size 698x36
           text run at (0,18) width 698: "The inner table has a height of 100%, the outer table has a height set of 200px, on the <table>, <tr> and <td>"
           text run at (0,36) width 82: "respectively."
-        RenderBR {BR} at (81,50) size 1x0
-        RenderBR {BR} at (0,54) size 0x18
+        LayoutBR {BR} at (81,50) size 1x0
+        LayoutBR {BR} at (0,54) size 0x18
         RenderText {#text} at (0,72) size 758x18
           text run at (0,72) width 758: "In all examples the inner table should completely fill the outer table. (with respect of the padding and border ofcourse)"
-        RenderBR {BR} at (757,86) size 1x0
-        RenderBR {BR} at (0,90) size 0x18
+        LayoutBR {BR} at (757,86) size 1x0
+        LayoutBR {BR} at (0,90) size 0x18
       LayoutTable {TABLE} at (0,108) size 275x200 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 273x198
           LayoutTableRow {TR} at (0,2) size 273x194
             LayoutTableCell {TD} at (2,2) size 269x194 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 265x190 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 263x188
                   LayoutTableRow {TR} at (0,2) size 263x184
                     LayoutTableCell {TD} at (2,83) size 259x22 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 255x18
                         text run at (2,2) width 255: "outer table has height:200px on <table>"
       RenderBlock (anonymous) at (0,308) size 769x18
-        RenderBR {BR} at (0,0) size 0x18
+        LayoutBR {BR} at (0,0) size 0x18
       LayoutTable {TABLE} at (0,326) size 254x206 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 252x204
           LayoutTableRow {TR} at (0,2) size 252x200
             LayoutTableCell {TD} at (2,86) size 248x32 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 244x28 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 242x26
                   LayoutTableRow {TR} at (0,2) size 242x22
                     LayoutTableCell {TD} at (2,2) size 238x22 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 234x18
                         text run at (2,2) width 234: "outer table has height:200px on <tr>"
       RenderBlock (anonymous) at (0,532) size 769x18
-        RenderBR {BR} at (0,0) size 0x18
+        LayoutBR {BR} at (0,0) size 0x18
       LayoutTable {TABLE} at (0,550) size 257x206 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 255x204
           LayoutTableRow {TR} at (0,2) size 255x200
             LayoutTableCell {TD} at (2,2) size 251x200 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 247x196 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 245x194
                   LayoutTableRow {TR} at (0,2) size 245x190
                     LayoutTableCell {TD} at (2,86) size 241x22 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 237x18
                         text run at (2,2) width 237: "outer table has height:200px on <td>"
       RenderBlock (anonymous) at (0,756) size 769x18
-        RenderBR {BR} at (0,0) size 0x18
+        LayoutBR {BR} at (0,0) size 0x18
       LayoutTable {TABLE} at (0,774) size 630x56 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 628x54
           LayoutTableRow {TR} at (0,2) size 628x50
             LayoutTableCell {TD} at (2,2) size 624x50 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutTable {TABLE} at (2,2) size 620x46 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 618x44
                   LayoutTableRow {TR} at (0,2) size 618x40
                     LayoutTableCell {TD} at (2,2) size 614x40 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 391x18
                         text run at (2,2) width 391: "outer table has no height set, inner table has a height of 50%."
-                      RenderBR {BR} at (392,16) size 1x0
+                      LayoutBR {BR} at (392,16) size 1x0
                       RenderText {#text} at (2,20) size 610x18
                         text run at (2,20) width 610: "Here the height should be set to auto, because the height of the outer td depends on the content."