Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt

Index: LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt
diff --git a/LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt b/LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt
index a9dd92598d2d46762e3218f5f00b85a20a8364e9..442adcb63e915e1a5a80e6b031b2524e89bcf074 100644
--- a/LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt
+++ b/LayoutTests/platform/win-xp/fast/forms/select-initial-position-expected.txt
@@ -5,36 +5,36 @@ layer at (0,0) size 800x600
     RenderBody {BODY} at (8,8) size 784x584
       RenderText {#text} at (0,0) size 86x19
         text run at (0,0) width 86: "initial selected:"
-      RenderBR {BR} at (86,15) size 0x0
+      LayoutBR {BR} at (86,15) size 0x0
       RenderText {#text} at (155,71) size 4x19
         text run at (155,71) width 4: " "
-      RenderBR {BR} at (159,86) size 0x0
+      LayoutBR {BR} at (159,86) size 0x0
       RenderText {#text} at (0,91) size 152x19
         text run at (0,91) width 152: "dynamic selected change:"
-      RenderBR {BR} at (152,106) size 0x0
+      LayoutBR {BR} at (152,106) size 0x0
       RenderText {#text} at (155,162) size 4x19
         text run at (155,162) width 4: " "
       RenderText {#text} at (0,0) size 0x0
-      RenderBR {BR} at (0,0) size 0x0
+      LayoutBR {BR} at (0,0) size 0x0
       RenderText {#text} at (0,182) size 200x19
         text run at (0,182) width 200: "dynamic insert of selected option:"
-      RenderBR {BR} at (200,197) size 0x0
+      LayoutBR {BR} at (200,197) size 0x0
       RenderText {#text} at (155,253) size 4x19
         text run at (155,253) width 4: " "
-      RenderBR {BR} at (159,268) size 0x0
+      LayoutBR {BR} at (159,268) size 0x0
       RenderText {#text} at (0,273) size 86x19
         text run at (0,273) width 86: "initial selected:"
-      RenderBR {BR} at (86,288) size 0x0
+      LayoutBR {BR} at (86,288) size 0x0
       RenderMenuList {SELECT} at (0,293) size 159x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
         RenderBlock (anonymous) at (1,1) size 157x18
           RenderText at (4,1) size 134x16
             text run at (4,1) width 134: "this should be selected"
       RenderText {#text} at (159,293) size 4x19
         text run at (159,293) width 4: " "
-      RenderBR {BR} at (163,308) size 0x0
+      LayoutBR {BR} at (163,308) size 0x0
       RenderText {#text} at (0,313) size 152x19
         text run at (0,313) width 152: "dynamic selected change:"
-      RenderBR {BR} at (152,328) size 0x0
+      LayoutBR {BR} at (152,328) size 0x0
       RenderMenuList {SELECT} at (0,333) size 159x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
         RenderBlock (anonymous) at (1,1) size 157x18
           RenderText at (4,1) size 134x16
@@ -42,10 +42,10 @@ layer at (0,0) size 800x600
       RenderText {#text} at (159,333) size 4x19
         text run at (159,333) width 4: " "
       RenderText {#text} at (0,0) size 0x0
-      RenderBR {BR} at (0,0) size 0x0
+      LayoutBR {BR} at (0,0) size 0x0
       RenderText {#text} at (0,353) size 200x19
         text run at (0,353) width 200: "dynamic insert of selected option:"
-      RenderBR {BR} at (200,368) size 0x0
+      LayoutBR {BR} at (200,368) size 0x0
       RenderMenuList {SELECT} at (0,373) size 159x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
         RenderBlock (anonymous) at (1,1) size 157x18
           RenderText at (4,1) size 134x16