Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt

Index: LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt
diff --git a/LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt b/LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt
index 9c4333e1dc1d9340eabfa1137e358bdd06f5c3bd..13cb8d30878c4b873f261bb500ed71a4c904c3d6 100644
--- a/LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt
+++ b/LayoutTests/platform/win/fast/forms/range/range-appearance-basic-expected.txt
@@ -9,7 +9,7 @@ layer at (0,0) size 800x204
             RenderBlock {DIV} at (59,0) size 11x21
       RenderText {#text} at (137,11) size 4x17
         text run at (137,11) width 4: " "
-      RenderBR {BR} at (141,11) size 0x17
+      LayoutBR {BR} at (141,11) size 0x17
       LayoutSlider {INPUT} at (4,33) size 135x27 [color=#C4C4C4] [bgcolor=#FFFFFF] [border: (3px solid #00FF00)]
         RenderFlexibleBox {DIV} at (3,3) size 129x21
           RenderBlock {DIV} at (0,0) size 129x21
@@ -22,21 +22,21 @@ layer at (0,0) size 800x204
             RenderBlock {DIV} at (59,0) size 11x21
       RenderText {#text} at (284,46) size 4x17
         text run at (284,46) width 4: " "
-      RenderBR {BR} at (288,46) size 0x17
+      LayoutBR {BR} at (288,46) size 0x17
       LayoutSlider {INPUT} at (4,68) size 129x21 [color=#C4C4C4]
         RenderFlexibleBox {DIV} at (0,0) size 129x21
           RenderBlock {DIV} at (0,0) size 129x21
             RenderBlock {DIV} at (59,0) size 11x21
       RenderText {#text} at (137,75) size 4x17
         text run at (137,75) width 4: " "
-      RenderBR {BR} at (141,75) size 0x17
+      LayoutBR {BR} at (141,75) size 0x17
       LayoutSlider {INPUT} at (4,97) size 129x21 [color=#C4C4C4] [bgcolor=#FFFFFF]
         RenderFlexibleBox {DIV} at (0,0) size 129x21
           RenderBlock {DIV} at (0,0) size 129x21
             RenderBlock {DIV} at (59,0) size 11x21
       RenderText {#text} at (137,104) size 4x17
         text run at (137,104) width 4: " "
-      RenderBR {BR} at (141,104) size 0x17
+      LayoutBR {BR} at (141,104) size 0x17
       LayoutSlider {INPUT} at (4,126) size 40x21 [color=#C4C4C4] [bgcolor=#FFFFFF]
         RenderFlexibleBox {DIV} at (0,0) size 40x21
           RenderBlock {DIV} at (0,0) size 40x21
@@ -55,7 +55,7 @@ layer at (0,0) size 800x204
             RenderBlock {DIV} at (14.50,0) size 11x21
       RenderText {#text} at (152,133) size 4x17
         text run at (152,133) width 4: " "
-      RenderBR {BR} at (156,133) size 0x17
+      LayoutBR {BR} at (156,133) size 0x17
       LayoutSlider {INPUT} at (6,159) size 193.50x21 [color=#C4C4C4] [bgcolor=#FFFFFF]
         RenderFlexibleBox {DIV} at (0,0) size 193.50x21
           RenderBlock {DIV} at (0,0) size 193.50x21
@@ -68,4 +68,4 @@ layer at (0,0) size 800x204
             RenderBlock {DIV} at (123.50,0) size 11x21
       RenderText {#text} at (483,166) size 5x17
         text run at (483,166) width 5: " "
-      RenderBR {BR} at (487,166) size 1x17
+      LayoutBR {BR} at (487,166) size 1x17