Move and rename RenderBR to LayoutBR.

LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt

Index: LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt
diff --git a/LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt b/LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt
index b899b9101523d0c86109eb551b29daf68eb3f1d6..714ccdccd7a801a8bd8ce4b8d0acc383f9423f7b 100644
--- a/LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt
+++ b/LayoutTests/platform/linux/tables/mozilla_expected_failures/bugs/bug1647-expected.txt
@@ -9,33 +9,33 @@ layer at (0,0) size 800x600
             LayoutTableCell {TD} at (0,0) size 152x20 [bgcolor=#CCCC9C] [r=0 c=0 rs=2 cs=1]
               RenderText {#text} at (0,0) size 84x19
                 text run at (0,0) width 84: "xxxxxxxxxxxx"
-              RenderBR {BR} at (84,15) size 0x0
+              LayoutBR {BR} at (84,15) size 0x0
             LayoutTableCell {TD} at (152,0) size 3x38 [bgcolor=#D3D3D3] [r=0 c=1 rs=1 cs=1]
               RenderBlock {HR} at (0,8) size 3x2 [border: (1px inset #EEEEEE)]
               RenderBlock (anonymous) at (0,18) size 3x20
-                RenderBR {BR} at (0,0) size 0x19
+                LayoutBR {BR} at (0,0) size 0x19
             LayoutTableCell {TD} at (155,0) size 91x114 [bgcolor=#FFA500] [r=0 c=2 rs=1 cs=1]
               RenderBlock {HR} at (0,8) size 91x2 [border: (1px inset #EEEEEE)]
               RenderBlock (anonymous) at (0,18) size 91x20
-                RenderBR {BR} at (0,0) size 0x19
+                LayoutBR {BR} at (0,0) size 0x19
               RenderBlock {HR} at (0,46) size 91x2 [border: (1px inset #EEEEEE)]
               RenderBlock (anonymous) at (0,56) size 91x20
-                RenderBR {BR} at (0,0) size 0x19
+                LayoutBR {BR} at (0,0) size 0x19
               RenderBlock {HR} at (0,84) size 91x2 [border: (1px inset #EEEEEE)]
               RenderBlock (anonymous) at (0,94) size 91x20
-                RenderBR {BR} at (0,0) size 0x19
+                LayoutBR {BR} at (0,0) size 0x19
           LayoutTableRow {TR} at (0,234) size 598x56
             LayoutTableCell {TD} at (152,234) size 446x56 [r=1 c=1 rs=1 cs=5]
               LayoutImage {IMG} at (0,0) size 446x56
-              RenderBR {BR} at (446,56) size 0x0
+              LayoutBR {BR} at (446,56) size 0x0
           LayoutTableRow {TR} at (0,290) size 598x118
             LayoutTableCell {TD} at (0,290) size 152x291 [r=2 c=0 rs=2 cs=1]
               LayoutImage {IMG} at (0,0) size 152x291
-              RenderBR {BR} at (152,291) size 0x0
+              LayoutBR {BR} at (152,291) size 0x0
             LayoutTableCell {TD} at (152,290) size 446x118 [r=2 c=1 rs=1 cs=5]
               LayoutImage {IMG} at (0,0) size 446x118
-              RenderBR {BR} at (446,118) size 0x0
+              LayoutBR {BR} at (446,118) size 0x0
           LayoutTableRow {TR} at (0,408) size 598x173
             LayoutTableCell {TD} at (152,408) size 446x173 [r=3 c=1 rs=1 cs=5]
               LayoutImage {IMG} at (0,0) size 446x173
-              RenderBR {BR} at (446,173) size 0x0
+              LayoutBR {BR} at (446,173) size 0x0