Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt

Index: LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt
diff --git a/LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt b/LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt
index f42ad6de039a6d1f98db2a7f8531975619d9fed1..84b3a9f09952fc1ea00b633b3484932772706aa7 100644
--- a/LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt
+++ b/LayoutTests/platform/win/tables/mozilla/bugs/bug1188-expected.txt
@@ -30,7 +30,7 @@ layer at (0,0) size 800x600
                   RenderBlock (anonymous) at (8,3) size 41x16
                     RenderText {#text} at (0,0) size 41x16
                       text run at (0,0) width 41: "Search"
-                RenderBR {BR} at (557,17) size 1x0
+                LayoutBR {BR} at (557,17) size 1x0
                 RenderInline {SMALL} at (0,0) size 558x15
                   RenderInline {A} at (0,0) size 98x15 [color=#0000EE]
                     RenderText {#text} at (18,23) size 98x15
@@ -79,11 +79,11 @@ layer at (0,0) size 800x600
               LayoutTableCell {TD} at (163,105) size 270x49 [r=2 c=1 rs=1 cs=1]
                 RenderInline {A} at (0,0) size 232x27 [color=#0000EE]
                   LayoutImage {IMG} at (19,1) size 232x35 [border: (1px solid #0000EE)]
-                  RenderBR {BR} at (251,36) size 0x0
+                  LayoutBR {BR} at (251,36) size 0x0
                   RenderInline {FONT} at (0,0) size 46x12
                     RenderText {#text} at (112,36) size 46x12
                       text run at (112,36) width 46: "Click Here!"
-                RenderBR {BR} at (158,46) size 0x0
+                LayoutBR {BR} at (158,46) size 0x0
               LayoutTableCell {TD} at (435,120) size 161x18 [r=2 c=2 rs=1 cs=1]
                 RenderInline {A} at (0,0) size 129x17 [color=#0000EE]
                   RenderInline {FONT} at (0,0) size 129x16 [color=#0066FF]