Move and rename RenderBR to LayoutBR.

LayoutTests/platform/android/virtual/slimmingpaint/fast/text/word-break-expected.txt

 layer at (0,0) size 785x1036
   RenderView at (0,0) size 785x600
 layer at (0,0) size 785x1036
   RenderBlock {HTML} at (0,0) size 785x1036
     RenderBody {BODY} at (8,8) size 769x1020
       RenderBlock (anonymous) at (0,0) size 769x20
         RenderText {#text} at (0,0) size 658x19
           text run at (0,0) width 658: "This example tests that word-break properly shrinks a cell to one character per line when it is set to break-all."
       LayoutTable {TABLE} at (0,20) size 769x110 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 767x108
           LayoutTableRow {TR} at (0,0) size 767x108
             LayoutTableCell {TD} at (0,0) size 20x108 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               RenderText {#text} at (6,6) size 8x96
                 text run at (6,6) width 8: "N"
                 text run at (6,22) width 8: "a"
                 text run at (6,38) width 8: "r"
                 text run at (6,54) width 8: "r"
                 text run at (6,70) width 8: "o"
                 text run at (6,86) width 8: "w"
             LayoutTableCell {TD} at (20,40) size 747x28 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
               RenderText {#text} at (6,6) size 168x16
                 text run at (6,6) width 168: "This cell should grow"
       RenderBlock (anonymous) at (0,130) size 769x40
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 415x19
           text run at (0,20) width 415: "This test checks that word-break is ignored when white-space is pre."
       RenderBlock {PRE} at (0,183) size 110x26 [border: (5px solid #000000)]
         RenderText {#text} at (5,5) size 448x16
           text run at (5,5) width 448: "Thislongwordshouldnotgetbrokenbutshouldstickoutofthepre."
           text run at (453,5) width 0: " "
       RenderBlock (anonymous) at (0,222) size 769x60
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 768x39
           text run at (0,20) width 453: "The next two examples test our custom break-word value for word-break. "
           text run at (453,20) width 304: "We should get the same results as break-all for the"
           text run at (0,40) width 768: "first test, but we should break up the word in the second test (since our behavior matches word-wrap: break-word in that case)."
       LayoutTable {TABLE} at (0,282) size 769x110 [border: (1px outset #808080)]
         LayoutTableSection {TBODY} at (1,1) size 767x108
           LayoutTableRow {TR} at (0,0) size 767x108
             LayoutTableCell {TD} at (0,0) size 20x108 [border: (1px inset #808080)] [r=0 c=0 rs=1 cs=1]
               RenderText {#text} at (6,6) size 8x96
                 text run at (6,6) width 8: "N"
                 text run at (6,22) width 8: "a"
                 text run at (6,38) width 8: "r"
                 text run at (6,54) width 8: "r"
                 text run at (6,70) width 8: "o"
                 text run at (6,86) width 8: "w"
             LayoutTableCell {TD} at (20,40) size 747x28 [border: (1px inset #808080)] [r=0 c=1 rs=1 cs=1]
               RenderText {#text} at (6,6) size 168x16
                 text run at (6,6) width 168: "This cell should grow"
       RenderBlock (anonymous) at (0,392) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       RenderBlock {PRE} at (0,425) size 110x90 [border: (5px solid #000000)]
         RenderText {#text} at (5,5) size 96x80
           text run at (5,5) width 96: "Thislongword"
           text run at (5,21) width 96: "shouldnotget"
           text run at (5,37) width 96: "brokenbutsho"
           text run at (5,53) width 96: "uldstickouto"
           text run at (5,69) width 64: "fthepre."
           text run at (69,69) width 0: " "
       RenderBlock (anonymous) at (0,528) size 769x60
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 756x39
           text run at (0,20) width 596: "This test makes sure floating and positioned elements do the right thing with word-break: break-all. "
           text run at (596,20) width 160: "The minimum width should"
           text run at (0,40) width 239: "be less than the containing block width. "
           text run at (239,40) width 459: "The breaking should be \"dumb\" and just occur when the end of the line is hit."
       RenderBlock {DIV} at (0,588) size 304x52 [border: (2px solid #000000)]
         RenderBlock (floating) {DIV} at (2,2) size 300x48
           RenderText {#text} at (0,0) size 296x48
             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 (0,640) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
       RenderBlock (anonymous) at (0,764) size 769x80
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
         RenderText {#text} at (0,20) size 768x59
           text run at (0,20) width 615: "This test makes sure floating and positioned elements do the right thing with word-break: break-word. "
           text run at (615,20) width 117: "The minimum width"
           text run at (0,40) width 282: "should be less than the containing block width. "
           text run at (282,40) width 486: "The breaking should be \"smart\" and be like word-wrap: break-word, with words"
           text run at (0,60) width 428: "preferring to wrap first before allowing break opportunities within them."
       RenderBlock {DIV} at (0,844) size 304x52 [border: (2px solid #000000)]
         RenderBlock (floating) {DIV} at (2,2) size 300x48
           RenderText {#text} at (0,0) size 256x48
             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 (0,896) size 769x20
-        RenderBR {BR} at (0,0) size 0x19
+        LayoutBR {BR} at (0,0) size 0x19
 layer at (8,668) size 304x104
   RenderBlock (relative positioned) {DIV} at (0,660) size 304x104 [border: (2px solid #000000)]
 layer at (10,670) size 300x48
   RenderBlock (positioned) {DIV} at (2,2) size 300x48
     RenderText {#text} at (0,0) size 296x48
       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."
 layer at (8,924) size 304x104
   RenderBlock (relative positioned) {DIV} at (0,916) size 304x104 [border: (2px solid #000000)]
 layer at (10,926) size 300x48
   RenderBlock (positioned) {DIV} at (2,2) size 300x48
     RenderText {#text} at (0,0) size 256x48
       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."