Move and rename RenderBR to LayoutBR.

LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt

Index: LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt
diff --git a/LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt b/LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt
index b75155a2beb9d37affa8dcb85f67ccad088466b8..0eae1b6629a11532ea937eb06d9c4f9732760d4a 100644
--- a/LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt
+++ b/LayoutTests/platform/linux/virtual/slimmingpaint/fast/text/international/bidi-layout-across-linebreak-expected.txt
@@ -27,7 +27,7 @@ layer at (0,0) size 800x536
               RenderText {#text} at (3,3) size 12x19
                 text run at (3,3) width 8 RTL: "\x{5D0}"
                 text run at (11,3) width 4: "."
-              RenderBR {BR} at (15,18) size 0x0
+              LayoutBR {BR} at (15,18) size 0x0
               RenderText {#text} at (3,23) size 8x19
                 text run at (3,23) width 8: "b"
             LayoutTableCell {TD} at (78,35) size 33x25 [border: (1px solid #008000)] [r=1 c=2 rs=1 cs=1]
@@ -49,7 +49,7 @@ layer at (0,0) size 800x536
               RenderText {#text} at (3,3) size 12x19
                 text run at (3,3) width 8 RTL: "\x{5D0}"
                 text run at (11,3) width 4: "."
-              RenderBR {BR} at (15,18) size 0x0
+              LayoutBR {BR} at (15,18) size 0x0
               RenderText {#text} at (3,23) size 7x19
                 text run at (3,23) width 7 RTL: "\x{5D1}"
             LayoutTableCell {TD} at (78,80) size 33x25 [border: (1px solid #008000)] [r=2 c=2 rs=1 cs=1]
@@ -69,7 +69,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,115) size 45x45 [border: (1px solid #008000)] [r=3 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 16x19
                 text run at (3,3) width 16 RTL: "\x{5D0}\x{5D0}"
-              RenderBR {BR} at (3,18) size 0x0
+              LayoutBR {BR} at (3,18) size 0x0
               RenderText {#text} at (3,23) size 20x19
                 text run at (3,23) width 8: "b"
                 text run at (11,23) width 4 RTL: " "
@@ -93,7 +93,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,160) size 45x45 [border: (1px solid #008000)] [r=4 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 14x19
                 text run at (3,3) width 14: "aa"
-              RenderBR {BR} at (3,18) size 0x0
+              LayoutBR {BR} at (3,18) size 0x0
               RenderText {#text} at (3,23) size 20x19
                 text run at (3,23) width 8: "b"
                 text run at (11,23) width 4 RTL: " "
@@ -116,7 +116,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,205) size 45x45 [border: (1px solid #008000)] [r=5 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 16x19
                 text run at (3,3) width 16 RTL: "\x{5D0}\x{5D0}"
-              RenderBR {BR} at (3,18) size 0x0
+              LayoutBR {BR} at (3,18) size 0x0
               RenderText {#text} at (3,23) size 19x19
                 text run at (3,23) width 11 RTL: " \x{5D1}"
                 text run at (14,23) width 8: "1"
@@ -139,7 +139,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,250) size 45x45 [border: (1px solid #008000)] [r=6 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 14x19
                 text run at (3,3) width 14: "aa"
-              RenderBR {BR} at (3,18) size 0x0
+              LayoutBR {BR} at (3,18) size 0x0
               RenderText {#text} at (3,23) size 19x19
                 text run at (3,23) width 11 RTL: " \x{5D1}"
                 text run at (14,23) width 8: "1"
@@ -161,7 +161,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,295) size 45x45 [border: (1px solid #008000)] [r=7 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 16x19
                 text run at (3,3) width 16: "a ("
-              RenderBR {BR} at (19,18) size 0x0
+              LayoutBR {BR} at (19,18) size 0x0
               RenderText {#text} at (3,23) size 17x19
                 text run at (3,23) width 17: "] b"
             LayoutTableCell {TD} at (78,295) size 33x45 [border: (1px solid #008000)] [r=7 c=2 rs=1 cs=1]
@@ -183,7 +183,7 @@ layer at (0,0) size 800x536
               RenderText {#text} at (3,3) size 17x19
                 text run at (3,3) width 8 RTL: "\x{5D0}"
                 text run at (11,3) width 9: " ("
-              RenderBR {BR} at (20,18) size 0x0
+              LayoutBR {BR} at (20,18) size 0x0
               RenderText {#text} at (3,23) size 17x19
                 text run at (3,23) width 17: "] b"
             LayoutTableCell {TD} at (78,340) size 33x45 [border: (1px solid #008000)] [r=8 c=2 rs=1 cs=1]
@@ -205,7 +205,7 @@ layer at (0,0) size 800x536
             LayoutTableCell {TD} at (33,385) size 45x45 [border: (1px solid #008000)] [r=9 c=1 rs=1 cs=1]
               RenderText {#text} at (3,3) size 16x19
                 text run at (3,3) width 16: "a ("
-              RenderBR {BR} at (19,18) size 0x0
+              LayoutBR {BR} at (19,18) size 0x0
               RenderText {#text} at (3,23) size 16x19
                 text run at (3,23) width 9: "] "
                 text run at (12,23) width 7 RTL: "\x{5D1}"
@@ -228,7 +228,7 @@ layer at (0,0) size 800x536
               RenderText {#text} at (3,3) size 17x19
                 text run at (3,3) width 8 RTL: "\x{5D0}"
                 text run at (11,3) width 9: " ("
-              RenderBR {BR} at (20,18) size 0x0
+              LayoutBR {BR} at (20,18) size 0x0
               RenderText {#text} at (3,23) size 16x19
                 text run at (3,23) width 9: "] "
                 text run at (12,23) width 7 RTL: "\x{5D1}"