Move and rename RenderBR to LayoutBR.

LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt

Index: LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
diff --git a/LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt b/LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
index d17eac2cd873b83c7b3c16061a88cc116c540d3e..58386445abc4a37ea2b20379928585d3ed105bdb 100644
--- a/LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
+++ b/LayoutTests/platform/mac/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
@@ -9,7 +9,7 @@ layer at (0,0) size 785x600
       RenderBlock {DIV} at (267,21) size 202x202 [border: (1px solid #000000)]
       RenderText {#text} at (489,229) size 4x18
         text run at (489,229) width 4: " "
-      RenderBR {BR} at (493,243) size 0x0
+      LayoutBR {BR} at (493,243) size 0x0
       RenderBlock {DIV} at (21,267) size 202x202 [border: (1px solid #000000)]
       RenderText {#text} at (243,475) size 4x18
         text run at (243,475) width 4: " "
@@ -21,39 +21,39 @@ layer at (30,500) size 343x162 backgroundClip at (0,0) size 785x600 clip at (0,0
     RenderInline {SPAN} at (0,0) size 304x18 [color=#008000]
       RenderText {#text} at (0,0) size 304x18
         text run at (0,0) width 304: "PASS: event at (48, 48) hit box1 at offset (6, 6)"
-    RenderBR {BR} at (303,14) size 1x0
+    LayoutBR {BR} at (303,14) size 1x0
     RenderInline {SPAN} at (0,0) size 304x18 [color=#008000]
       RenderText {#text} at (0,18) size 304x18
         text run at (0,18) width 304: "PASS: event at (70, 41) hit box2 at offset (3, 3)"
-    RenderBR {BR} at (303,32) size 1x0
+    LayoutBR {BR} at (303,32) size 1x0
     RenderInline {SPAN} at (0,0) size 336x18 [color=#008000]
       RenderText {#text} at (0,36) size 336x18
         text run at (0,36) width 336: "PASS: event at (185, 164) hit box2 at offset (97, 97)"
-    RenderBR {BR} at (335,50) size 1x0
+    LayoutBR {BR} at (335,50) size 1x0
     RenderInline {SPAN} at (0,0) size 312x18 [color=#008000]
       RenderText {#text} at (0,54) size 312x18
         text run at (0,54) width 312: "PASS: event at (338, 64) hit box7 at offset (3, 3)"
-    RenderBR {BR} at (311,68) size 1x0
+    LayoutBR {BR} at (311,68) size 1x0
     RenderInline {SPAN} at (0,0) size 320x18 [color=#008000]
       RenderText {#text} at (0,72) size 320x18
         text run at (0,72) width 320: "PASS: event at (92, 310) hit box10 at offset (3, 3)"
-    RenderBR {BR} at (319,86) size 1x0
+    LayoutBR {BR} at (319,86) size 1x0
     RenderInline {SPAN} at (0,0) size 344x18 [color=#008000]
       RenderText {#text} at (0,90) size 344x18
         text run at (0,90) width 344: "PASS: event at (217, 444) hit box10 at offset (96, 96)"
-    RenderBR {BR} at (343,104) size 1x0
+    LayoutBR {BR} at (343,104) size 1x0
     RenderInline {SPAN} at (0,0) size 328x18 [color=#008000]
       RenderText {#text} at (0,108) size 328x18
         text run at (0,108) width 328: "PASS: event at (337, 309) hit box13 at offset (2, 2)"
-    RenderBR {BR} at (327,122) size 1x0
+    LayoutBR {BR} at (327,122) size 1x0
     RenderInline {SPAN} at (0,0) size 328x18 [color=#008000]
       RenderText {#text} at (0,126) size 328x18
         text run at (0,126) width 328: "PASS: event at (360, 334) hit box14 at offset (2, 2)"
-    RenderBR {BR} at (327,140) size 1x0
+    LayoutBR {BR} at (327,140) size 1x0
     RenderInline {SPAN} at (0,0) size 344x18 [color=#008000]
       RenderText {#text} at (0,144) size 344x18
         text run at (0,144) width 344: "PASS: event at (500, 484) hit box14 at offset (96, 96)"
-    RenderBR {BR} at (343,158) size 1x0
+    LayoutBR {BR} at (343,158) size 1x0
 layer at (42,42) size 140x140
   RenderBlock {DIV} at (21,21) size 140x140 [bgcolor=#DDDDDD] [border: (1px solid #000000)]
 layer at (63,63) size 100x100