Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt

Index: LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt
diff --git a/LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt b/LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt
index c46ac0722bb0cc36fa6532d91fbba57081089e30..058309fbe6e993c664f1c49c2c339cd3db0114a7 100644
--- a/LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt
+++ b/LayoutTests/platform/win-xp/fast/forms/textAreaLineHeight-expected.txt
@@ -6,15 +6,15 @@ layer at (0,0) size 785x1241 backgroundClip at (0,0) size 785x600 clip at (0,0)
       RenderBlock (anonymous) at (0,0) size 769x20
         RenderText {#text} at (0,0) size 254x19
           text run at (0,0) width 254: "line-height settings not reflected in textarea"
-        RenderBR {BR} at (254,0) size 0x19
+        LayoutBR {BR} at (254,0) size 0x19
       RenderBlock {P} at (0,36) size 769x271
         RenderText {#text} at (0,0) size 79x19
           text run at (0,0) width 79: "TEXTAREA"
-        RenderBR {BR} at (79,0) size 0x19
+        LayoutBR {BR} at (79,0) size 0x19
         RenderText {#text} at (406,211) size 4x19
           text run at (406,211) width 4: " "
-        RenderBR {BR} at (0,0) size 0x0
-        RenderBR {BR} at (0,231) size 0x19
+        LayoutBR {BR} at (0,0) size 0x0
+        LayoutBR {BR} at (0,231) size 0x19
         RenderText {#text} at (0,251) size 145x19
           text run at (0,251) width 145: "PARAGRAPH - works"
       RenderBlock {P} at (0,323) size 402x202 [border: (1px dotted #C0C0C0)]
@@ -22,34 +22,34 @@ layer at (0,0) size 785x1241 backgroundClip at (0,0) size 785x600 clip at (0,0)
           text run at (1,19) width 385: "Demo text here that wraps a bit and should demonstrate"
           text run at (1,72) width 181: "the goodness of line-height"
       RenderBlock (anonymous) at (0,538.33) size 769x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 79x19
           text run at (0,20) width 79: "DIV - works"
-        RenderBR {BR} at (79,20) size 0x19
+        LayoutBR {BR} at (79,20) size 0x19
       RenderBlock {DIV} at (0,578.33) size 402x202 [border: (1px dotted #C0C0C0)]
         RenderText {#text} at (1,19) size 385x69
           text run at (1,19) width 385: "Demo text here that wraps a bit and should demonstrate"
           text run at (1,72) width 181: "the goodness of line-height"
       RenderBlock (anonymous) at (0,780.33) size 769x437
-        RenderBR {BR} at (0,0) size 0x19
-        RenderBR {BR} at (0,20) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,20) size 0x19
         RenderText {#text} at (0,40) size 119x19
           text run at (0,40) width 119: "Un-Styled Textarea"
-        RenderBR {BR} at (119,40) size 0x19
+        LayoutBR {BR} at (119,40) size 0x19
         RenderText {#text} at (181,83) size 4x19
           text run at (181,83) width 4: " "
-        RenderBR {BR} at (0,0) size 0x0
-        RenderBR {BR} at (0,103) size 0x19
+        LayoutBR {BR} at (0,0) size 0x0
+        LayoutBR {BR} at (0,103) size 0x19
         RenderText {#text} at (0,123) size 203x19
           text run at (0,123) width 203: "Totally Blank Un-Styled Textarea"
-        RenderBR {BR} at (203,123) size 0x19
+        LayoutBR {BR} at (203,123) size 0x19
         RenderText {#text} at (181,166) size 4x19
           text run at (181,166) width 4: " "
-        RenderBR {BR} at (0,0) size 0x0
-        RenderBR {BR} at (0,186) size 0x19
+        LayoutBR {BR} at (0,0) size 0x0
+        LayoutBR {BR} at (0,186) size 0x19
         RenderText {#text} at (0,206) size 199x19
           text run at (0,206) width 199: "Totally Blank STYLED Textarea"
-        RenderBR {BR} at (199,206) size 0x19
+        LayoutBR {BR} at (199,206) size 0x19
         RenderText {#text} at (0,0) size 0x0
       RenderBlock {P} at (0,1233.33) size 769x0
 layer at (8,64) size 406x206 clip at (9,65) size 404x204