Move and rename RenderBR to LayoutBR.

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

Index: LayoutTests/platform/linux/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
diff --git a/LayoutTests/platform/linux/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt b/LayoutTests/platform/linux/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
index 6c7b37de377898ffb26a7de383bf66768e6afc36..de6f13093f5def1022a36cc6e0e55a64650bc440 100644
--- a/LayoutTests/platform/linux/transforms/3d/point-mapping/3d-point-mapping-origins-expected.txt
+++ b/LayoutTests/platform/linux/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 (489,228) size 4x19
         text run at (489,228) width 4: " "
-      RenderBR {BR} at (493,243) size 0x0
+      LayoutBR {BR} at (493,243) size 0x0
       RenderBlock {DIV} at (21,268) size 202x202 [border: (1px solid #000000)]
       RenderText {#text} at (243,475) size 4x19
         text run at (243,475) width 4: " "
@@ -21,39 +21,39 @@ layer at (30,500) size 484x180 backgroundClip at (0,0) size 785x600 clip at (0,0
     RenderInline {SPAN} at (0,0) size 289x19 [color=#008000]
       RenderText {#text} at (0,0) size 289x19
         text run at (0,0) width 289: "PASS: event at (48, 48) hit box1 at offset (6, 6)"
-    RenderBR {BR} at (289,15) size 0x0
+    LayoutBR {BR} at (289,15) size 0x0
     RenderInline {SPAN} at (0,0) size 289x19 [color=#008000]
       RenderText {#text} at (0,20) size 289x19
         text run at (0,20) width 289: "PASS: event at (70, 41) hit box2 at offset (3, 3)"
-    RenderBR {BR} at (289,35) size 0x0
+    LayoutBR {BR} at (289,35) size 0x0
     RenderInline {SPAN} at (0,0) size 321x19 [color=#008000]
       RenderText {#text} at (0,40) size 321x19
         text run at (0,40) width 321: "PASS: event at (185, 164) hit box2 at offset (97, 97)"
-    RenderBR {BR} at (321,55) size 0x0
+    LayoutBR {BR} at (321,55) size 0x0
     RenderInline {SPAN} at (0,0) size 297x19 [color=#008000]
       RenderText {#text} at (0,60) size 297x19
         text run at (0,60) width 297: "PASS: event at (338, 64) hit box7 at offset (3, 3)"
-    RenderBR {BR} at (297,75) size 0x0
+    LayoutBR {BR} at (297,75) size 0x0
     RenderInline {SPAN} at (0,0) size 476x19 [color=#FF0000]
       RenderText {#text} at (0,80) size 476x19
         text run at (0,80) width 476: "FAIL: event at (92, 310) expected to hit box10 at (3, 3) but hit box10 at (3, 2)"
-    RenderBR {BR} at (476,95) size 0x0
+    LayoutBR {BR} at (476,95) size 0x0
     RenderInline {SPAN} at (0,0) size 329x19 [color=#008000]
       RenderText {#text} at (0,100) size 329x19
         text run at (0,100) width 329: "PASS: event at (217, 444) hit box10 at offset (96, 96)"
-    RenderBR {BR} at (329,115) size 0x0
+    LayoutBR {BR} at (329,115) size 0x0
     RenderInline {SPAN} at (0,0) size 313x19 [color=#008000]
       RenderText {#text} at (0,120) size 313x19
         text run at (0,120) width 313: "PASS: event at (337, 309) hit box13 at offset (2, 2)"
-    RenderBR {BR} at (313,135) size 0x0
+    LayoutBR {BR} at (313,135) size 0x0
     RenderInline {SPAN} at (0,0) size 484x19 [color=#FF0000]
       RenderText {#text} at (0,140) size 484x19
         text run at (0,140) width 484: "FAIL: event at (360, 334) expected to hit box14 at (2, 2) but hit box14 at (2, 1)"
-    RenderBR {BR} at (484,155) size 0x0
+    LayoutBR {BR} at (484,155) size 0x0
     RenderInline {SPAN} at (0,0) size 329x19 [color=#008000]
       RenderText {#text} at (0,160) size 329x19
         text run at (0,160) width 329: "PASS: event at (500, 484) hit box14 at offset (96, 96)"
-    RenderBR {BR} at (329,175) size 0x0
+    LayoutBR {BR} at (329,175) size 0x0
 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