Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt

Index: LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt
diff --git a/LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt b/LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt
index 1cb6c5d1ab0e364dcf1da231a21a97d5927dd2d1..ec62c873350624ce1ee011c5d868d44a12a8aad4 100644
--- a/LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt
+++ b/LayoutTests/platform/win-xp/scrollbars/basic-scrollbar-expected.txt
@@ -7,148 +7,148 @@ layer at (8,8) size 200x200 clip at (8,8) size 183x200 scrollHeight 980
   RenderBlock {DIV} at (0,0) size 200x200
     RenderText {#text} at (0,0) size 32x19
       text run at (0,0) width 32: "Hello"
-    RenderBR {BR} at (32,15) size 0x0
+    LayoutBR {BR} at (32,15) size 0x0
     RenderText {#text} at (0,20) size 32x19
       text run at (0,20) width 32: "Hello"
-    RenderBR {BR} at (32,35) size 0x0
+    LayoutBR {BR} at (32,35) size 0x0
     RenderText {#text} at (0,40) size 32x19
       text run at (0,40) width 32: "Hello"
-    RenderBR {BR} at (32,55) size 0x0
+    LayoutBR {BR} at (32,55) size 0x0
     RenderText {#text} at (0,60) size 32x19
       text run at (0,60) width 32: "Hello"
-    RenderBR {BR} at (32,75) size 0x0
+    LayoutBR {BR} at (32,75) size 0x0
     RenderText {#text} at (0,80) size 32x19
       text run at (0,80) width 32: "Hello"
-    RenderBR {BR} at (32,95) size 0x0
+    LayoutBR {BR} at (32,95) size 0x0
     RenderText {#text} at (0,100) size 32x19
       text run at (0,100) width 32: "Hello"
-    RenderBR {BR} at (32,115) size 0x0
+    LayoutBR {BR} at (32,115) size 0x0
     RenderText {#text} at (0,120) size 32x19
       text run at (0,120) width 32: "Hello"
-    RenderBR {BR} at (32,135) size 0x0
+    LayoutBR {BR} at (32,135) size 0x0
     RenderText {#text} at (0,140) size 32x19
       text run at (0,140) width 32: "Hello"
-    RenderBR {BR} at (32,155) size 0x0
+    LayoutBR {BR} at (32,155) size 0x0
     RenderText {#text} at (0,160) size 32x19
       text run at (0,160) width 32: "Hello"
-    RenderBR {BR} at (32,175) size 0x0
+    LayoutBR {BR} at (32,175) size 0x0
     RenderText {#text} at (0,180) size 32x19
       text run at (0,180) width 32: "Hello"
-    RenderBR {BR} at (32,195) size 0x0
+    LayoutBR {BR} at (32,195) size 0x0
     RenderText {#text} at (0,200) size 32x19
       text run at (0,200) width 32: "Hello"
-    RenderBR {BR} at (32,215) size 0x0
+    LayoutBR {BR} at (32,215) size 0x0
     RenderText {#text} at (0,220) size 32x19
       text run at (0,220) width 32: "Hello"
-    RenderBR {BR} at (32,235) size 0x0
+    LayoutBR {BR} at (32,235) size 0x0
     RenderText {#text} at (0,240) size 32x19
       text run at (0,240) width 32: "Hello"
-    RenderBR {BR} at (32,255) size 0x0
+    LayoutBR {BR} at (32,255) size 0x0
     RenderText {#text} at (0,260) size 32x19
       text run at (0,260) width 32: "Hello"
-    RenderBR {BR} at (32,275) size 0x0
+    LayoutBR {BR} at (32,275) size 0x0
     RenderText {#text} at (0,280) size 32x19
       text run at (0,280) width 32: "Hello"
-    RenderBR {BR} at (32,295) size 0x0
+    LayoutBR {BR} at (32,295) size 0x0
     RenderText {#text} at (0,300) size 32x19
       text run at (0,300) width 32: "Hello"
-    RenderBR {BR} at (32,315) size 0x0
+    LayoutBR {BR} at (32,315) size 0x0
     RenderText {#text} at (0,320) size 32x19
       text run at (0,320) width 32: "Hello"
-    RenderBR {BR} at (32,335) size 0x0
+    LayoutBR {BR} at (32,335) size 0x0
     RenderText {#text} at (0,340) size 32x19
       text run at (0,340) width 32: "Hello"
-    RenderBR {BR} at (32,355) size 0x0
+    LayoutBR {BR} at (32,355) size 0x0
     RenderText {#text} at (0,360) size 32x19
       text run at (0,360) width 32: "Hello"
-    RenderBR {BR} at (32,375) size 0x0
+    LayoutBR {BR} at (32,375) size 0x0
     RenderText {#text} at (0,380) size 32x19
       text run at (0,380) width 32: "Hello"
-    RenderBR {BR} at (32,395) size 0x0
+    LayoutBR {BR} at (32,395) size 0x0
     RenderText {#text} at (0,400) size 32x19
       text run at (0,400) width 32: "Hello"
-    RenderBR {BR} at (32,415) size 0x0
+    LayoutBR {BR} at (32,415) size 0x0
     RenderText {#text} at (0,420) size 32x19
       text run at (0,420) width 32: "Hello"
-    RenderBR {BR} at (32,435) size 0x0
+    LayoutBR {BR} at (32,435) size 0x0
     RenderText {#text} at (0,440) size 32x19
       text run at (0,440) width 32: "Hello"
-    RenderBR {BR} at (32,455) size 0x0
+    LayoutBR {BR} at (32,455) size 0x0
     RenderText {#text} at (0,460) size 32x19
       text run at (0,460) width 32: "Hello"
-    RenderBR {BR} at (32,475) size 0x0
+    LayoutBR {BR} at (32,475) size 0x0
     RenderText {#text} at (0,480) size 32x19
       text run at (0,480) width 32: "Hello"
-    RenderBR {BR} at (32,495) size 0x0
+    LayoutBR {BR} at (32,495) size 0x0
     RenderText {#text} at (0,500) size 32x19
       text run at (0,500) width 32: "Hello"
-    RenderBR {BR} at (32,515) size 0x0
+    LayoutBR {BR} at (32,515) size 0x0
     RenderText {#text} at (0,520) size 32x19
       text run at (0,520) width 32: "Hello"
-    RenderBR {BR} at (32,535) size 0x0
+    LayoutBR {BR} at (32,535) size 0x0
     RenderText {#text} at (0,540) size 32x19
       text run at (0,540) width 32: "Hello"
-    RenderBR {BR} at (32,555) size 0x0
+    LayoutBR {BR} at (32,555) size 0x0
     RenderText {#text} at (0,560) size 32x19
       text run at (0,560) width 32: "Hello"
-    RenderBR {BR} at (32,575) size 0x0
+    LayoutBR {BR} at (32,575) size 0x0
     RenderText {#text} at (0,580) size 32x19
       text run at (0,580) width 32: "Hello"
-    RenderBR {BR} at (32,595) size 0x0
+    LayoutBR {BR} at (32,595) size 0x0
     RenderText {#text} at (0,600) size 32x19
       text run at (0,600) width 32: "Hello"
-    RenderBR {BR} at (32,615) size 0x0
+    LayoutBR {BR} at (32,615) size 0x0
     RenderText {#text} at (0,620) size 32x19
       text run at (0,620) width 32: "Hello"
-    RenderBR {BR} at (32,635) size 0x0
+    LayoutBR {BR} at (32,635) size 0x0
     RenderText {#text} at (0,640) size 32x19
       text run at (0,640) width 32: "Hello"
-    RenderBR {BR} at (32,655) size 0x0
+    LayoutBR {BR} at (32,655) size 0x0
     RenderText {#text} at (0,660) size 32x19
       text run at (0,660) width 32: "Hello"
-    RenderBR {BR} at (32,675) size 0x0
+    LayoutBR {BR} at (32,675) size 0x0
     RenderText {#text} at (0,680) size 32x19
       text run at (0,680) width 32: "Hello"
-    RenderBR {BR} at (32,695) size 0x0
+    LayoutBR {BR} at (32,695) size 0x0
     RenderText {#text} at (0,700) size 32x19
       text run at (0,700) width 32: "Hello"
-    RenderBR {BR} at (32,715) size 0x0
+    LayoutBR {BR} at (32,715) size 0x0
     RenderText {#text} at (0,720) size 32x19
       text run at (0,720) width 32: "Hello"
-    RenderBR {BR} at (32,735) size 0x0
+    LayoutBR {BR} at (32,735) size 0x0
     RenderText {#text} at (0,740) size 32x19
       text run at (0,740) width 32: "Hello"
-    RenderBR {BR} at (32,755) size 0x0
+    LayoutBR {BR} at (32,755) size 0x0
     RenderText {#text} at (0,760) size 32x19
       text run at (0,760) width 32: "Hello"
-    RenderBR {BR} at (32,775) size 0x0
+    LayoutBR {BR} at (32,775) size 0x0
     RenderText {#text} at (0,780) size 32x19
       text run at (0,780) width 32: "Hello"
-    RenderBR {BR} at (32,795) size 0x0
+    LayoutBR {BR} at (32,795) size 0x0
     RenderText {#text} at (0,800) size 32x19
       text run at (0,800) width 32: "Hello"
-    RenderBR {BR} at (32,815) size 0x0
+    LayoutBR {BR} at (32,815) size 0x0
     RenderText {#text} at (0,820) size 32x19
       text run at (0,820) width 32: "Hello"
-    RenderBR {BR} at (32,835) size 0x0
+    LayoutBR {BR} at (32,835) size 0x0
     RenderText {#text} at (0,840) size 32x19
       text run at (0,840) width 32: "Hello"
-    RenderBR {BR} at (32,855) size 0x0
+    LayoutBR {BR} at (32,855) size 0x0
     RenderText {#text} at (0,860) size 32x19
       text run at (0,860) width 32: "Hello"
-    RenderBR {BR} at (32,875) size 0x0
+    LayoutBR {BR} at (32,875) size 0x0
     RenderText {#text} at (0,880) size 32x19
       text run at (0,880) width 32: "Hello"
-    RenderBR {BR} at (32,895) size 0x0
+    LayoutBR {BR} at (32,895) size 0x0
     RenderText {#text} at (0,900) size 32x19
       text run at (0,900) width 32: "Hello"
-    RenderBR {BR} at (32,915) size 0x0
+    LayoutBR {BR} at (32,915) size 0x0
     RenderText {#text} at (0,920) size 32x19
       text run at (0,920) width 32: "Hello"
-    RenderBR {BR} at (32,935) size 0x0
+    LayoutBR {BR} at (32,935) size 0x0
     RenderText {#text} at (0,940) size 32x19
       text run at (0,940) width 32: "Hello"
-    RenderBR {BR} at (32,955) size 0x0
+    LayoutBR {BR} at (32,955) size 0x0
     RenderText {#text} at (0,960) size 32x19
       text run at (0,960) width 32: "Hello"
-    RenderBR {BR} at (32,975) size 0x0
+    LayoutBR {BR} at (32,975) size 0x0