Move and rename RenderBR to LayoutBR.

LayoutTests/platform/mac/tables/mozilla_expected_failures/bugs/bug80762-2-expected.txt

 layer at (0,0) size 800x600 clip at (0,0) size 785x600 scrollHeight 752
   RenderView at (0,0) size 800x600
 layer at (0,0) size 785x752 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
   RenderBlock {HTML} at (0,0) size 785x752
     RenderBody {BODY} at (8,8) size 769x736
       LayoutTable {TABLE} at (0,0) size 769x736 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 767x734
           LayoutTableRow {TR} at (0,0) size 767x20
             LayoutTableCell {TD} at (0,0) size 74x20 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               RenderText {#text} at (1,1) size 22x18
                 text run at (1,1) width 22: "foo"
             LayoutTableCell {TD} at (74,0) size 693x20 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
               RenderText {#text} at (1,1) size 21x18
                 text run at (1,1) width 21: "bar"
           LayoutTableRow {TR} at (0,20) size 767x714
             LayoutTableCell {TD} at (0,20) size 767x714 [border: (1px inset #808080)] [r=1 c=0 rs=1 cs=2]
               LayoutTable {TABLE} at (1,1) size 765x712 [border: (1px outset #808080)]
                 LayoutTableSection {TBODY} at (1,1) size 763x710
                   LayoutTableRow {TR} at (0,2) size 763x706
                     LayoutTableCell {TD} at (2,2) size 759x706 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
                       RenderText {#text} at (2,2) size 720x36
                         text run at (2,2) width 720: "When the Whiten house burned down in Renfrew Ontario, the insurer denied liability, asserting that the Plaintiff"
                         text run at (2,20) width 477: "Daphne Whiten was the cause of the fire herself and had committed arson."
-                      RenderBR {BR} at (478,34) size 1x0
-                      RenderBR {BR} at (2,38) size 0x18
+                      LayoutBR {BR} at (478,34) size 1x0
+                      LayoutBR {BR} at (2,38) size 0x18
                       RenderText {#text} at (2,56) size 742x72
                         text run at (2,56) width 740: "The insurance company had not only refused to pay, but had received opinions from its adjuster, its expert engineer"
                         text run at (2,74) width 732: "and an investigative agency that the fire was accidental. Its own adjuster had recommended the claim be paid. The"
                         text run at (2,92) width 735: "defendant's counsel, as the court found, had pressured experts to provide opinions supporting an arson defence and"
                         text run at (2,110) width 742: "withheld relevant information from the experts and gave them misleading information to buttress the arson defence."
-                      RenderBR {BR} at (743,124) size 1x0
-                      RenderBR {BR} at (2,128) size 0x18
+                      LayoutBR {BR} at (743,124) size 1x0
+                      LayoutBR {BR} at (2,128) size 0x18
                       RenderText {#text} at (2,146) size 645x18
                         text run at (2,146) width 645: "After the fire the Plaintiff and her husband, Keith Whiten needed welfare assistance to support them."
-                      RenderBR {BR} at (646,160) size 1x0
-                      RenderBR {BR} at (2,164) size 0x18
+                      LayoutBR {BR} at (646,160) size 1x0
+                      LayoutBR {BR} at (2,164) size 0x18
                       RenderText {#text} at (2,182) size 747x54
                         text run at (2,182) width 735: "The jury, however, in a 4 week trial, disagreed with the position of the insurance company. It awarded not only the"
                         text run at (2,200) width 747: "policy sum against the insurer, but also was sufficiently annoyed with the conduct of the company to award a further"
                         text run at (2,218) width 241: "punitive damage award of $1 million."
-                      RenderBR {BR} at (242,232) size 1x0
-                      RenderBR {BR} at (2,236) size 0x18
+                      LayoutBR {BR} at (242,232) size 1x0
+                      LayoutBR {BR} at (2,236) size 0x18
                       RenderText {#text} at (2,254) size 712x54
                         text run at (2,254) width 710: "The company appealed. At the time of the appeal, the company acknowledged that the fire was accidental. The"
                         text run at (2,272) width 712: "Ontario Court of Appeal reversed the jury award and in a 2-1 decision determined that there should be a cap on"
                         text run at (2,290) width 198: "punitive damages of $100,000."
-                      RenderBR {BR} at (199,304) size 1x0
-                      RenderBR {BR} at (2,308) size 0x18
+                      LayoutBR {BR} at (199,304) size 1x0
+                      LayoutBR {BR} at (2,308) size 0x18
                       RenderText {#text} at (2,326) size 753x90
                         text run at (2,326) width 719: "Lawyers became hard pressed to reconcile this decision with a prior case, Hill vs. Church of Scientology. Hill, a"
                         text run at (2,344) width 732: "Crown Attorney, had sued the Church for libel due to statements made accusing him of breaching a judge's order. "
                         text run at (733,344) width 19: "He"
                         text run at (2,362) width 729: "succeeded. The jury at trial, aside from awarding compensatory damages, also awarded a punitive damage sum of"
                         text run at (2,380) width 753: "$800,000. The decision was appealed without success to the Ontario Court of Appeal and again to the Supreme Court"
                         text run at (2,398) width 523: "of Canada. The award of punitive damages was sustained at both appellate levels."
-                      RenderBR {BR} at (524,412) size 1x0
-                      RenderBR {BR} at (2,416) size 0x18
+                      LayoutBR {BR} at (524,412) size 1x0
+                      LayoutBR {BR} at (2,416) size 0x18
                       RenderText {#text} at (2,434) size 746x54
                         text run at (2,434) width 746: "In the Whiten case, the insurance industry is mounting all its ammunition to maintain the notion of a cap on punitive"
                         text run at (2,452) width 735: "damages. It is expected that the Court of Appeal decision will receive a rough ride in the Supreme Court, given the"
                         text run at (2,470) width 199: "Hill decision a few years prior."
-                      RenderBR {BR} at (200,484) size 1x0
-                      RenderBR {BR} at (2,488) size 0x18
+                      LayoutBR {BR} at (200,484) size 1x0
+                      LayoutBR {BR} at (2,488) size 0x18
                       RenderText {#text} at (2,506) size 747x72
                         text run at (2,506) width 737: "The concept of punitive damages is designed to act as civil penalty imposed on a wrong doer, which has conducted"
                         text run at (2,524) width 747: "itself in a vindictive manner, which offends one's sense of propriety - high handed shocking behaviour. Traditionally"
                         text run at (2,542) width 707: "the financial abilities of the wrong doer are a factor - the deeper the pockets the more substantial the sum to be"
                         text run at (2,560) width 59: "awarded."
-                      RenderBR {BR} at (60,574) size 1x0
-                      RenderBR {BR} at (2,578) size 0x18
+                      LayoutBR {BR} at (60,574) size 1x0
+                      LayoutBR {BR} at (2,578) size 0x18
                       RenderText {#text} at (2,596) size 753x90
                         text run at (2,596) width 734: "Canadian courts have been reluctant to embrace the concept - awards such as Hill are rare. It is worthy of note that"
                         text run at (2,614) width 735: "the dissenting reasons of Justice Laskin in Whiten were much in favour of maintaining the trial award - a lucid and"
                         text run at (2,632) width 737: "powerful dissent written by a much respected jurist. Much attention will be given to this decision. Oral argument is"
                         text run at (2,650) width 753: "set for the week of December 11th. A decision will likely be forthcoming in March to June time period. This decision"
                         text run at (2,668) width 537: "will be no doubt a much quoted decision for many years, regardless of the outcome."
-                      RenderBR {BR} at (538,682) size 1x0
-                      RenderBR {BR} at (2,686) size 0x18
+                      LayoutBR {BR} at (538,682) size 1x0
+                      LayoutBR {BR} at (2,686) size 0x18