Move and rename RenderBR to LayoutBR.

LayoutTests/platform/win/fast/text/word-break-expected.txt

Index: LayoutTests/platform/win/fast/text/word-break-expected.txt
diff --git a/LayoutTests/platform/win/fast/text/word-break-expected.txt b/LayoutTests/platform/win/fast/text/word-break-expected.txt
index 61e02ae32b3ae2372787d84881d8b504b067b8cc..0a0f36da60e1103a89a2ec48572d3891bad895fc 100644
--- a/LayoutTests/platform/win/fast/text/word-break-expected.txt
+++ b/LayoutTests/platform/win/fast/text/word-break-expected.txt
@@ -21,7 +21,7 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
               RenderText {#text} at (6,6) size 168x16
                 text run at (6,6) width 168: "This cell should grow"
       RenderBlock (anonymous) at (0,128) size 769x36
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 438x17
           text run at (0,18) width 438: "This test checks that word-break is ignored when white-space is pre."
       RenderBlock {PRE} at (0,177) size 110x26 [border: (5px solid #000000)]
@@ -29,7 +29,7 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
           text run at (5,5) width 448: "Thislongwordshouldnotgetbrokenbutshouldstickoutofthepre."
           text run at (453,5) width 0: " "
       RenderBlock (anonymous) at (0,216) size 769x72
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 753x53
           text run at (0,18) width 476: "The next two examples test our custom break-word value for word-break. "
           text run at (475,18) width 278: "We should get the same results as break-all"
@@ -50,7 +50,7 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
               RenderText {#text} at (6,6) size 168x16
                 text run at (6,6) width 168: "This cell should grow"
       RenderBlock (anonymous) at (0,398) size 769x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
       RenderBlock {PRE} at (0,429) size 110x90 [border: (5px solid #000000)]
         RenderText {#text} at (5,5) size 96x80
           text run at (5,5) width 96: "Thislongword"
@@ -60,7 +60,7 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
           text run at (5,69) width 64: "fthepre."
           text run at (69,69) width 0: " "
       RenderBlock (anonymous) at (0,532) size 769x72
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 750x53
           text run at (0,18) width 641: "This test makes sure floating and positioned elements do the right thing with word-break: break-all. "
           text run at (640,18) width 92: "The minimum"
@@ -73,11 +73,11 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
             text run at (0,0) width 296: "Eventhoughthishasareallylongword itsh"
             text run at (0,16) width 296: "ouldnotstick out oftheenclosing300pxb"
             text run at (0,32) width 40: "lock."
-        RenderBR {BR} at (302,2) size 0x16
+        LayoutBR {BR} at (302,2) size 0x16
       RenderBlock (anonymous) at (0,656) size 769x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
       RenderBlock (anonymous) at (0,778) size 769x72
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
         RenderText {#text} at (0,18) size 749x53
           text run at (0,18) width 658: "This test makes sure floating and positioned elements do the right thing with word-break: break-word. "
           text run at (657,18) width 92: "The minimum"
@@ -90,9 +90,9 @@ layer at (0,0) size 785x1040 backgroundClip at (0,0) size 785x600 clip at (0,0)
             text run at (0,0) width 256: "Eventhoughthishasareallylongword"
             text run at (0,16) width 160: "itshouldnotstick out"
             text run at (0,32) width 200: "oftheenclosing300pxblock."
-        RenderBR {BR} at (302,2) size 0x16
+        LayoutBR {BR} at (302,2) size 0x16
       RenderBlock (anonymous) at (0,902) size 769x18
-        RenderBR {BR} at (0,0) size 0x17
+        LayoutBR {BR} at (0,0) size 0x17
 layer at (8,682) size 304x104 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600
   RenderBlock (relative positioned) {DIV} at (0,674) size 304x104 [border: (2px solid #000000)]
 layer at (10,684) size 300x48 backgroundClip at (0,0) size 785x600 clip at (0,0) size 785x600 outlineClip at (0,0) size 785x600