[DMC #23] Add CompositionMarker (subclass of DocumentMarker)

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

 /*
  * This file is part of the DOM implementation for WebCore.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 114 matching lines @@
 
   class MisspellingMarkers : public MarkerTypes {
    public:
     MisspellingMarkers() : MarkerTypes(kSpelling | kGrammar) {}
   };
 
   DocumentMarker(MarkerType,
                  unsigned start_offset,
                  unsigned end_offset,
                  const String& description);
-  DocumentMarker(unsigned start_offset,
-                 unsigned end_offset,
-                 Color underline_color,
-                 bool thick,
-                 Color background_color);
 
   MarkerType GetType() const { return type_; }
   unsigned StartOffset() const { return start_offset_; }
   unsigned EndOffset() const { return end_offset_; }
 
   const String& Description() const;
-  Color UnderlineColor() const;
-  bool Thick() const;
-  Color BackgroundColor() const;
   DocumentMarkerDetails* Details() const;
 
   void ClearDetails() { details_.Clear(); }
 
   struct MarkerOffsets {
     unsigned start_offset;
     unsigned end_offset;
   };
 
   Optional<MarkerOffsets> ComputeOffsetsAfterShift(unsigned offset,
@@ skipping 25 matching lines @@
 inline DocumentMarkerDetails* DocumentMarker::Details() const {
   return details_.Get();
 }
 
 class DocumentMarkerDetails
     : public GarbageCollectedFinalized<DocumentMarkerDetails> {
  public:
   DocumentMarkerDetails() {}
   virtual ~DocumentMarkerDetails();
   virtual bool IsDescription() const { return false; }
-  virtual bool IsComposition() const { return false; }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif  // DocumentMarker_h