Rename/move counter rendering code to layout.

LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt

Index: LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt
diff --git a/LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt b/LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt
index 8130ad23421b65673d11853fd903d0c32991dee0..a5cb23d2dcf8d6660ebe255ba16b36abcc4e1e8f 100644
--- a/LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt
+++ b/LayoutTests/platform/linux/css2.1/t1202-counter-03-b-expected.txt
@@ -14,73 +14,73 @@ layer at (0,0) size 800x100
       RenderBlock {DIV} at (0,36) size 784x20
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (0,0) size 6x19
+            LayoutCounter at (0,0) size 6x19
               text run at (0,0) width 6: "\x{25E6}"
         RenderText {#text} at (6,0) size 4x19
           text run at (6,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (10,0) size 6x19
+            LayoutCounter at (10,0) size 6x19
               text run at (10,0) width 6: "\x{25E6}"
         RenderText {#text} at (16,0) size 4x19
           text run at (16,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (20,0) size 6x19
+            LayoutCounter at (20,0) size 6x19
               text run at (20,0) width 6: "\x{25E6}"
         RenderText {#text} at (26,0) size 4x19
           text run at (26,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (30,0) size 6x19
+            LayoutCounter at (30,0) size 6x19
               text run at (30,0) width 6: "\x{25E6}"
         RenderText {#text} at (36,0) size 4x19
           text run at (36,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (40,0) size 6x19
+            LayoutCounter at (40,0) size 6x19
               text run at (40,0) width 6: "\x{25E6}"
         RenderText {#text} at (46,0) size 4x19
           text run at (46,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (50,0) size 6x19
+            LayoutCounter at (50,0) size 6x19
               text run at (50,0) width 6: "\x{25E6}"
         RenderText {#text} at (56,0) size 4x19
           text run at (56,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (60,0) size 6x19
+            LayoutCounter at (60,0) size 6x19
               text run at (60,0) width 6: "\x{25E6}"
         RenderText {#text} at (66,0) size 4x19
           text run at (66,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (70,0) size 6x19
+            LayoutCounter at (70,0) size 6x19
               text run at (70,0) width 6: "\x{25E6}"
         RenderText {#text} at (76,0) size 4x19
           text run at (76,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (80,0) size 6x19
+            LayoutCounter at (80,0) size 6x19
               text run at (80,0) width 6: "\x{25E6}"
         RenderText {#text} at (86,0) size 4x19
           text run at (86,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (90,0) size 6x19
+            LayoutCounter at (90,0) size 6x19
               text run at (90,0) width 6: "\x{25E6}"
         RenderText {#text} at (96,0) size 4x19
           text run at (96,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (100,0) size 6x19
+            LayoutCounter at (100,0) size 6x19
               text run at (100,0) width 6: "\x{25E6}"
         RenderText {#text} at (106,0) size 4x19
           text run at (106,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 6x19
           RenderInline {<pseudo:before>} at (0,0) size 6x19
-            RenderCounter at (110,0) size 6x19
+            LayoutCounter at (110,0) size 6x19
               text run at (110,0) width 6: "\x{25E6}"
         RenderText {#text} at (0,0) size 0x0
       RenderBlock {DIV} at (0,56) size 784x20