Rename/move counter rendering code to layout.

LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt

Index: LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt
diff --git a/LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt b/LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt
index 8049777b8041f59d6ea6b9184cb71e51525090cb..ab5d71adb8c9477982cdbac96361fdf654d040e9 100644
--- a/LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt
+++ b/LayoutTests/platform/win/css2.1/t1202-counter-16-f-expected.txt
@@ -9,73 +9,73 @@ layer at (0,0) size 800x94
       RenderBlock {DIV} at (0,34) size 784x18
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (0,0) size 8x17
+            LayoutCounter at (0,0) size 8x17
               text run at (0,0) width 8: "1"
         RenderText {#text} at (8,0) size 4x17
           text run at (8,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (12,0) size 8x17
+            LayoutCounter at (12,0) size 8x17
               text run at (12,0) width 8: "2"
         RenderText {#text} at (20,0) size 4x17
           text run at (20,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (24,0) size 8x17
+            LayoutCounter at (24,0) size 8x17
               text run at (24,0) width 8: "3"
         RenderText {#text} at (32,0) size 4x17
           text run at (32,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (36,0) size 8x17
+            LayoutCounter at (36,0) size 8x17
               text run at (36,0) width 8: "4"
         RenderText {#text} at (44,0) size 4x17
           text run at (44,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (48,0) size 8x17
+            LayoutCounter at (48,0) size 8x17
               text run at (48,0) width 8: "5"
         RenderText {#text} at (56,0) size 4x17
           text run at (56,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (60,0) size 8x17
+            LayoutCounter at (60,0) size 8x17
               text run at (60,0) width 8: "6"
         RenderText {#text} at (68,0) size 4x17
           text run at (68,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (72,0) size 8x17
+            LayoutCounter at (72,0) size 8x17
               text run at (72,0) width 8: "7"
         RenderText {#text} at (80,0) size 4x17
           text run at (80,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (84,0) size 8x17
+            LayoutCounter at (84,0) size 8x17
               text run at (84,0) width 8: "8"
         RenderText {#text} at (92,0) size 4x17
           text run at (92,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 8x17
           RenderInline {<pseudo:before>} at (0,0) size 8x17
-            RenderCounter at (96,0) size 8x17
+            LayoutCounter at (96,0) size 8x17
               text run at (96,0) width 8: "9"
         RenderText {#text} at (104,0) size 4x17
           text run at (104,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 16x17
           RenderInline {<pseudo:before>} at (0,0) size 16x17
-            RenderCounter at (108,0) size 16x17
+            LayoutCounter at (108,0) size 16x17
               text run at (108,0) width 16: "10"
         RenderText {#text} at (124,0) size 4x17
           text run at (124,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 16x17
           RenderInline {<pseudo:before>} at (0,0) size 16x17
-            RenderCounter at (128,0) size 16x17
+            LayoutCounter at (128,0) size 16x17
               text run at (128,0) width 16: "11"
         RenderText {#text} at (144,0) size 4x17
           text run at (144,0) width 4: " "
         RenderInline {SPAN} at (0,0) size 16x17
           RenderInline {<pseudo:before>} at (0,0) size 16x17
-            RenderCounter at (148,0) size 16x17
+            LayoutCounter at (148,0) size 16x17
               text run at (148,0) width 16: "12"
         RenderText {#text} at (0,0) size 0x0
       RenderBlock {DIV} at (0,52) size 784x18