[ActiveSuggestionMarker #1] Introduce abstract StyleableMarker subclass of DocumentMarker

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 44 matching lines @@
   explicit DocumentMarkerController(Document&);
 
   void Clear();
   void AddSpellingMarker(const EphemeralRange&,
                          const String& description = g_empty_string);
   void AddGrammarMarker(const EphemeralRange&,
                         const String& description = g_empty_string);
   void AddTextMatchMarker(const EphemeralRange&, TextMatchMarker::MatchStatus);
   void AddCompositionMarker(const EphemeralRange&,
                             Color underline_color,
-                            CompositionMarker::Thickness,
+                            StyleableMarker::Thickness,
                             Color background_color);
 
   void MoveMarkers(Node* src_node, int length, Node* dst_node);
 
   void PrepareForDestruction();
   void RemoveMarkersInRange(const EphemeralRange&, DocumentMarker::MarkerTypes);
   void RemoveMarkersOfTypes(DocumentMarker::MarkerTypes);
   void RemoveMarkersForNode(
       Node*,
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
@@ skipping 60 matching lines @@
   const Member<const Document> document_;
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 void showDocumentMarkers(const blink::DocumentMarkerController*);
 #endif
 
 #endif  // DocumentMarkerController_h