Move serializer related files in core/editing/ related files into core/editing/serializers/

Source/core/editing/serializers/StyledMarkupSerializer.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009, 2010, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Igalia S.L.
  * Copyright (C) 2011 Motorola Mobility. 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
@@ skipping 15 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef StyledMarkupSerializer_h
 #define StyledMarkupSerializer_h
 
 #include "core/dom/NodeTraversal.h"
 #include "core/editing/EditingStrategy.h"
 #include "core/editing/EditingStyle.h"
 #include "core/editing/Position.h"
-#include "core/editing/StyledMarkupAccumulator.h"
+#include "core/editing/serializers/StyledMarkupAccumulator.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 template<typename Strategy>
 class StyledMarkupSerializer final {
     STACK_ALLOCATED();
 public:
     StyledMarkupSerializer(EAbsoluteURLs, EAnnotateForInterchange, const PositionAlgorithm<Strategy>& start, const PositionAlgorithm<Strategy>& end, Node* highestNodeToBeSerialized, ConvertBlocksToInlines);
 
@@ skipping 11 matching lines @@
     RawPtrWillBeMember<Node> m_lastClosed;
     RefPtrWillBeMember<EditingStyle> m_wrappingStyle;
 };
 
 extern template class StyledMarkupSerializer<EditingStrategy>;
 extern template class StyledMarkupSerializer<EditingInComposedTreeStrategy>;
 
 } // namespace blink
 
 #endif // StyledMarkupSerializer_h