Add CompositionMarkerList in preparation for DocumentMarkerController refactor

third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
@@ skipping 45 matching lines @@
 class CORE_EXPORT DocumentMarkerController final
     : public GarbageCollected<DocumentMarkerController>,
       public SynchronousMutationObserver {
   WTF_MAKE_NONCOPYABLE(DocumentMarkerController);
   USING_GARBAGE_COLLECTED_MIXIN(DocumentMarkerController);
 
  public:
   explicit DocumentMarkerController(Document&);
 
   void clear();
+  void addMarker(Node*, const DocumentMarker&);
   void addMarker(const Position& start,
                  const Position& end,
                  DocumentMarker::MarkerType,
                  const String& description = emptyString);
   void addTextMatchMarker(const EphemeralRange&, bool activeMatch);
   void addCompositionMarker(const Position& start,
                             const Position& end,
                             Color underlineColor,
                             bool thick,
                             Color backgroundColor);
@@ skipping 56 matching lines @@
   void showMarkers() const;
 #endif
 
   // SynchronousMutationObserver
   void didUpdateCharacterData(CharacterData*,
                               unsigned offset,
                               unsigned oldLength,
                               unsigned newLength) final;
 
  private:
-  void addMarker(Node*, const DocumentMarker&);
-
   using MarkerList = HeapVector<Member<RenderedDocumentMarker>>;
   using MarkerLists =
       HeapVector<Member<MarkerList>, DocumentMarker::MarkerTypeIndexesCount>;
   using MarkerMap = HeapHashMap<WeakMember<const Node>, Member<MarkerLists>>;
   void mergeOverlapping(MarkerList*, RenderedDocumentMarker*);
   bool possiblyHasMarkers(DocumentMarker::MarkerTypes);
   bool relocateMarkerIfNeeded(RenderedDocumentMarker*,
                               unsigned offset,
                               unsigned oldLength,
                               unsigned newLength);
   void removeMarkersFromList(MarkerMap::iterator, DocumentMarker::MarkerTypes);
   void removeMarkers(TextIterator&,
                      DocumentMarker::MarkerTypes,
                      RemovePartiallyOverlappingMarkerOrNot);
 
   MarkerMap m_markers;
   // Provide a quick way to determine whether a particular marker type is absent
   // without going through the map.
   DocumentMarker::MarkerTypes m_possiblyExistingMarkerTypes;
   const Member<const Document> m_document;
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 void showDocumentMarkers(const blink::DocumentMarkerController*);
 #endif
 
 #endif  // DocumentMarkerController_h