Remove dead markup serialization code.

sky/engine/core/editing/CompositeEditCommand.cpp

 /*
  * Copyright (C) 2005, 2006, 2007, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 35 matching lines @@
 #include "sky/engine/core/editing/RemoveNodeCommand.h"
 #include "sky/engine/core/editing/RemoveNodePreservingChildrenCommand.h"
 #include "sky/engine/core/editing/ReplaceSelectionCommand.h"
 #include "sky/engine/core/editing/SpellChecker.h"
 #include "sky/engine/core/editing/SplitElementCommand.h"
 #include "sky/engine/core/editing/SplitTextNodeCommand.h"
 #include "sky/engine/core/editing/SplitTextNodeContainingElementCommand.h"
 #include "sky/engine/core/editing/TextIterator.h"
 #include "sky/engine/core/editing/VisibleUnits.h"
 #include "sky/engine/core/editing/htmlediting.h"
-#include "sky/engine/core/editing/markup.h"
 #include "sky/engine/core/events/ScopedEventQueue.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/html/HTMLElement.h"
 #include "sky/engine/core/rendering/InlineTextBox.h"
 #include "sky/engine/core/rendering/RenderBlock.h"
 #include "sky/engine/core/rendering/RenderText.h"
 
 namespace blink {
 
 PassRefPtr<EditCommandComposition> EditCommandComposition::create(Document* document,
@@ skipping 994 matching lines @@
         VisiblePosition positionInParent(firstPositionInNode(parentElement));
         VisiblePosition positionInNode(firstPositionInOrBeforeNode(node.get()));
         if (positionInParent != positionInNode)
             splitElement(parentElement, node);
     }
 
     return node.release();
 }
 
 } // namespace blink