[DMC #5.55] Add DocumentMarkerList::MarkerType()

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

Index: third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
diff --git a/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h b/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
index bd148c554746c436bdbb5c4e0cfd33f491b23bba..4725b65928fd91baa22d51a6ccde32eb7f73baed 100644
--- a/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
+++ b/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
@@ -16,9 +16,11 @@ class RenderedDocumentMarker;
 // specialized implementations for every MarkerType.
 class GenericDocumentMarkerListImpl final : public DocumentMarkerList {
  public:
-  GenericDocumentMarkerListImpl() = default;
+  GenericDocumentMarkerListImpl(DocumentMarker::MarkerType);
 
   // DocumentMarkerList implementations
+  DocumentMarker::MarkerType MarkerType() const final;
+
   bool IsEmpty() const final;
 
   void Add(DocumentMarker*) final;
@@ -37,6 +39,7 @@ class GenericDocumentMarkerListImpl final : public DocumentMarkerList {
   DECLARE_TRACE();
 
  private:
+  DocumentMarker::MarkerType marker_type_;

[yosin_UTC9, 2017/05/16 01:20:49]

nit: s/DocumentMarker::MarkerType/const DocumentMarker::MarkerType/

Because of we can't change |GenericDMListImpl::marker_type_| once it is
constructed.

   HeapVector<Member<RenderedDocumentMarker>> markers_;
 
   DISALLOW_COPY_AND_ASSIGN(GenericDocumentMarkerListImpl);