Rename/move counter rendering code to layout.

LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt

Index: LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt
diff --git a/LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt b/LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt
index ee2e09b515ce1fc98ae754771db32a5024c2d035..a209a2056fec778aa81320615e9a5454df027e39 100644
--- a/LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt
+++ b/LayoutTests/platform/mac/css2.1/t1202-counter-01-b-expected.txt
@@ -14,84 +14,84 @@ layer at (0,0) size 800x88
       RenderBlock {DIV} at (0,32) size 784x16
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (0,0) size 8x16
               text run at (0,0) width 8: "z"
         RenderText {#text} at (7,0) size 5x16
           text run at (7,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (11,0) size 8x16
               text run at (11,0) width 8: "z"
         RenderText {#text} at (18,0) size 5x16
           text run at (18,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (22,0) size 8x16
               text run at (22,0) width 8: "z"
         RenderText {#text} at (29,0) size 5x16
           text run at (29,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (33,0) size 8x16
               text run at (33,0) width 8: "z"
         RenderText {#text} at (40,0) size 5x16
           text run at (40,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (44,0) size 8x16
               text run at (44,0) width 8: "z"
         RenderText {#text} at (51,0) size 5x16
           text run at (51,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (55,0) size 8x16
               text run at (55,0) width 8: "z"
         RenderText {#text} at (62,0) size 5x16
           text run at (62,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (66,0) size 8x16
               text run at (66,0) width 8: "z"
         RenderText {#text} at (73,0) size 5x16
           text run at (73,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (77,0) size 8x16
               text run at (77,0) width 8: "z"
         RenderText {#text} at (84,0) size 5x16
           text run at (84,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (88,0) size 8x16
               text run at (88,0) width 8: "z"
         RenderText {#text} at (95,0) size 5x16
           text run at (95,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 9x16
           RenderInline {<pseudo:before>} at (0,0) size 9x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (99,0) size 9x16
               text run at (99,0) width 9: "z"
         RenderText {#text} at (107,0) size 5x16
           text run at (107,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (111,0) size 8x16
               text run at (111,0) width 8: "z"
         RenderText {#text} at (118,0) size 5x16
           text run at (118,0) width 5: " "
         RenderInline {SPAN} at (0,0) size 8x16
           RenderInline {<pseudo:before>} at (0,0) size 8x16
-            RenderCounter at (0,0) size 0x0
+            LayoutCounter at (0,0) size 0x0
             RenderTextFragment at (122,0) size 8x16
               text run at (122,0) width 8: "z"
         RenderText {#text} at (0,0) size 0x0