Move and rename RenderBR to LayoutBR.

LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt

Index: LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt
diff --git a/LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt b/LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt
index 3aa499fa1184366369b8ee88cde9a4578573abc3..ce2f37cf86a553987cffebe499056e75b1951577 100644
--- a/LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt
+++ b/LayoutTests/platform/mac/fast/text-autosizing/tables/table-for-layout-expected.txt
@@ -6,7 +6,7 @@ layer at (0,0) size 800x419
       RenderBlock {DIV} at (0,0) size 600x36
         RenderText {#text} at (0,0) size 215x14
           text run at (0,0) width 215: "Table autosizing tests - table-for-layout.html"
-        RenderBR {BR} at (214,0) size 1x14
+        LayoutBR {BR} at (214,0) size 1x14
         RenderText {#text} at (0,14) size 254x14
           text run at (0,14) width 254: "This test passes if the main content area is autosized."
       LayoutTable {TABLE} at (1,37) size 798x381 [border: none]
@@ -19,28 +19,28 @@ layer at (0,0) size 800x419
             LayoutTableCell {TD} at (0,141) size 54x115 [bgcolor=#F0FFF0] [border: (1px dotted #006400)] [r=1 c=0 rs=1 cs=1]
               RenderText {#text} at (2,2) size 24x14
                 text run at (2,2) width 24: "hello"
-              RenderBR {BR} at (25,2) size 1x14
+              LayoutBR {BR} at (25,2) size 1x14
               RenderText {#text} at (2,16) size 51x14
                 text run at (2,16) width 51: "navigation"
-              RenderBR {BR} at (52,16) size 1x14
+              LayoutBR {BR} at (52,16) size 1x14
               RenderText {#text} at (2,30) size 51x14
                 text run at (2,30) width 51: "navigation"
-              RenderBR {BR} at (52,30) size 1x14
+              LayoutBR {BR} at (52,30) size 1x14
               RenderText {#text} at (2,44) size 51x14
                 text run at (2,44) width 51: "navigation"
-              RenderBR {BR} at (52,44) size 1x14
+              LayoutBR {BR} at (52,44) size 1x14
               RenderText {#text} at (2,58) size 51x14
                 text run at (2,58) width 51: "navigation"
-              RenderBR {BR} at (52,58) size 1x14
+              LayoutBR {BR} at (52,58) size 1x14
               RenderText {#text} at (2,72) size 51x14
                 text run at (2,72) width 51: "navigation"
-              RenderBR {BR} at (52,72) size 1x14
+              LayoutBR {BR} at (52,72) size 1x14
               RenderText {#text} at (2,86) size 51x14
                 text run at (2,86) width 51: "navigation"
-              RenderBR {BR} at (52,86) size 1x14
+              LayoutBR {BR} at (52,86) size 1x14
               RenderText {#text} at (2,100) size 51x14
                 text run at (2,100) width 51: "navigation"
-              RenderBR {BR} at (52,100) size 1x14
+              LayoutBR {BR} at (52,100) size 1x14
             LayoutTableCell {TD} at (54,17) size 743x363 [bgcolor=#F0FFF0] [border: (1px dotted #006400)] [r=1 c=1 rs=1 cs=1]
               RenderText {#text} at (2,2) size 735x360
                 text run at (2,2) width 735: "hello hello hello hello hello hello hello hello hello hello hello"