Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt

Index: LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt
diff --git a/LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt b/LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt
index b0e720420c029c9226880276d3031a47c4ec39cd..50ee8b9a2d2a1120fcbb8077c9298a39b2a747f0 100644
--- a/LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt
+++ b/LayoutTests/platform/win/fast/text/international/bidi-menulist-expected.txt
@@ -6,53 +6,53 @@ layer at (0,0) size 800x600
       RenderBlock {P} at (0,0) size 784x54
         RenderText {#text} at (0,0) size 458x17
           text run at (0,0) width 458: "This tests that bidirectional text is correctly rendered in popup controls."
-        RenderBR {BR} at (457,14) size 1x0
+        LayoutBR {BR} at (457,14) size 1x0
         RenderText {#text} at (0,18) size 773x35
           text run at (0,18) width 773: "The order of the text below each popup button should match the order of the select's option text, and the order of the text"
           text run at (0,36) width 124: "in the popup menu."
       RenderBlock (anonymous) at (0,70) size 784x38
         RenderText {#text} at (0,0) size 286x17
           text run at (0,0) width 286: "1) direction: rtl; -webkit-rtl-ordering: logical"
-        RenderBR {BR} at (285,14) size 1x0
+        LayoutBR {BR} at (285,14) size 1x0
         RenderMenuList {SELECT} at (0,18) size 100x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
           RenderBlock (anonymous) at (1,1) size 98x18
             RenderText at (31,1) size 63x16
               text run at (31,1) width 42 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
               text run at (73,1) width 21: "abc"
-        RenderBR {BR} at (100,33) size 0x0
+        LayoutBR {BR} at (100,33) size 0x0
       RenderBlock {DIV} at (0,108) size 100x18
         RenderText {#text} at (0,0) size 69x17
           text run at (0,0) width 23: "abc"
           text run at (22,0) width 47 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
       RenderBlock (anonymous) at (0,126) size 784x56
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 118x17
           text run at (0,18) width 118: "2) text-align: right"
-        RenderBR {BR} at (117,32) size 1x0
+        LayoutBR {BR} at (117,32) size 1x0
         RenderMenuList {SELECT} at (0,36) size 200x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
           RenderBlock (anonymous) at (1,1) size 198x18
             RenderText at (4,1) size 63x16
               text run at (4,1) width 21: "abc"
               text run at (25,1) width 42 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
-        RenderBR {BR} at (200,51) size 0x0
+        LayoutBR {BR} at (200,51) size 0x0
       RenderBlock {DIV} at (0,182) size 200x18
         RenderText {#text} at (0,0) size 69x17
           text run at (0,0) width 23: "abc"
           text run at (22,0) width 47 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
       RenderBlock (anonymous) at (0,200) size 784x56
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 72x17
           text run at (0,18) width 72: "3) No style"
-        RenderBR {BR} at (71,32) size 1x0
+        LayoutBR {BR} at (71,32) size 1x0
         RenderMenuList {SELECT} at (0,36) size 100x20 [bgcolor=#FFFFFF] [border: (1px solid #A9A9A9)]
           RenderBlock (anonymous) at (1,1) size 98x18
             RenderText at (4,1) size 63x16
               text run at (4,1) width 21: "abc"
               text run at (25,1) width 42 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
-        RenderBR {BR} at (100,51) size 0x0
+        LayoutBR {BR} at (100,51) size 0x0
       RenderBlock {DIV} at (0,256) size 100x18
         RenderText {#text} at (0,0) size 69x17
           text run at (0,0) width 23: "abc"
           text run at (22,0) width 47 RTL: "\x{5D0}\x{5E4}\x{5E8}\x{5E1}\x{5DE}\x{5D5}\x{5DF}"
       RenderBlock (anonymous) at (0,274) size 784x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17