Move and rename RenderBR to LayoutBR.

LayoutTests/platform/mac/fast/replaced/005-expected.txt

Index: LayoutTests/platform/mac/fast/replaced/005-expected.txt
diff --git a/LayoutTests/platform/mac/fast/replaced/005-expected.txt b/LayoutTests/platform/mac/fast/replaced/005-expected.txt
index 5cdf6961eb6aa51a3b6dce90b04a954c1ef801cb..ba27ba07e082c09221239c3bc06d77f4f46bf944 100644
--- a/LayoutTests/platform/mac/fast/replaced/005-expected.txt
+++ b/LayoutTests/platform/mac/fast/replaced/005-expected.txt
@@ -9,7 +9,7 @@ layer at (0,0) size 800x680 backgroundClip at (0,0) size 800x600 clip at (0,0) s
             LayoutTableCell {TD} at (0,0) size 202x210 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               LayoutImage {IMG} at (1,1) size 100x100 [bgcolor=#008000]
               LayoutImage {IMG} at (101,1) size 100x100 [bgcolor=#008000]
-              RenderBR {BR} at (201,87) size 0x18
+              LayoutBR {BR} at (201,87) size 0x18
               LayoutImage {IMG} at (1,105) size 100x100 [bgcolor=#008000]
               LayoutImage {IMG} at (101,105) size 100x100 [bgcolor=#008000]
             LayoutTableCell {TD} at (202,95) size 578x20 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
@@ -22,7 +22,7 @@ layer at (0,0) size 800x680 backgroundClip at (0,0) size 800x600 clip at (0,0) s
               RenderInline {SPAN} at (0,0) size 200x18
                 LayoutImage {IMG} at (1,1) size 100x100 [bgcolor=#008000]
                 LayoutImage {IMG} at (101,1) size 100x100 [bgcolor=#008000]
-              RenderBR {BR} at (201,87) size 0x18
+              LayoutBR {BR} at (201,87) size 0x18
               LayoutImage {IMG} at (1,105) size 100x100 [bgcolor=#008000]
               LayoutImage {IMG} at (101,105) size 100x100 [bgcolor=#008000]
             LayoutTableCell {TD} at (202,95) size 578x20 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
@@ -31,7 +31,7 @@ layer at (0,0) size 800x680 backgroundClip at (0,0) size 800x600 clip at (0,0) s
       RenderBlock {P} at (0,444) size 784x212 [border: (2px solid #0000FF)]
         LayoutImage {IMG} at (2,2) size 100x100 [bgcolor=#008000]
         LayoutImage {IMG} at (102,2) size 100x100 [bgcolor=#008000]
-        RenderBR {BR} at (202,88) size 0x18
+        LayoutBR {BR} at (202,88) size 0x18
         RenderInline {A} at (0,0) size 100x18 [color=#0000EE]
           LayoutImage {IMG} at (2,106) size 100x100 [bgcolor=#008000]
         LayoutImage {IMG} at (102,106) size 100x100 [bgcolor=#008000]