List marker pseudo elements.

Source/core/dom/PseudoElement.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 37 matching lines @@
         return after;
     }
     case BEFORE: {
         DEFINE_STATIC_LOCAL(QualifiedName, before, (nullAtom, "<pseudo:before>", nullAtom));
         return before;
     }
     case BACKDROP: {
         DEFINE_STATIC_LOCAL(QualifiedName, backdrop, (nullAtom, "<pseudo:backdrop>", nullAtom));
         return backdrop;
     }
+    case MARKER: {
+        DEFINE_STATIC_LOCAL(QualifiedName, marker, (nullAtom, "<pseudo:marker>", nullAtom));
+        return marker;
+    }
     case FIRST_LETTER: {
         DEFINE_STATIC_LOCAL(QualifiedName, firstLetter, (nullAtom, "<pseudo:first-letter>", nullAtom));
         return firstLetter;
     }
     default: {
         ASSERT_NOT_REACHED();
     }
     }
     DEFINE_STATIC_LOCAL(QualifiedName, name, (nullAtom, "<pseudo>", nullAtom));
     return name;
@@ skipping 86 matching lines @@
     for (LayoutObject* child = renderer->nextInPreOrder(renderer); child; child = child->nextInPreOrder(renderer)) {
         // We only manage the style for the generated content items.
         if (!child->isText() && !child->isQuote() && !child->isImage())
             continue;
 
         child->setPseudoStyle(renderer->mutableStyle());
     }
 }
 
 } // namespace