[DMC #6] Add TextMatchMarkerListImpl

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

Index: third_party/WebKit/Source/core/editing/markers/TextMatchMarkerListImpl.h
diff --git a/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h b/third_party/WebKit/Source/core/editing/markers/TextMatchMarkerListImpl.h
similarity index 58%
rename from third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
rename to third_party/WebKit/Source/core/editing/markers/TextMatchMarkerListImpl.h
index 4f7cad205a8ca99b2ea76c9443b513d565f48630..b0875049e277b63ab6660b5eb77050f3869afdcc 100644
--- a/third_party/WebKit/Source/core/editing/markers/GenericDocumentMarkerListImpl.h
+++ b/third_party/WebKit/Source/core/editing/markers/TextMatchMarkerListImpl.h
@@ -2,21 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef GenericDocumentMarkerListImpl_h
-#define GenericDocumentMarkerListImpl_h
+#ifndef TextMatchMarkerListImpl_h
+#define TextMatchMarkerListImpl_h
 
 #include "core/editing/markers/DocumentMarkerList.h"
 
 namespace blink {
 
-class RenderedDocumentMarker;
-
-// Temporary implementation of DocumentMarkerList that can handle
-// DocumentMarkers of all MarkerTypes. This will be removed once we have
-// specialized implementations for every MarkerType.
-class GenericDocumentMarkerListImpl final : public DocumentMarkerList {
+// Implementation of DocumentMarkerList for TextMatch markers.
+// Markers are kept sorted by start offset, under the assumption that
+// TextMatch markers are typically inserted in an order.
+class CORE_EXPORT TextMatchMarkerListImpl final : public DocumentMarkerList {
  public:
-  GenericDocumentMarkerListImpl(DocumentMarker::MarkerType);
+  TextMatchMarkerListImpl() = default;
 
   // DocumentMarkerList implementations
   DocumentMarker::MarkerType MarkerType() const final;
@@ -33,16 +31,14 @@ class GenericDocumentMarkerListImpl final : public DocumentMarkerList {
   bool ShiftMarkers(unsigned offset,
                     unsigned old_length,
                     unsigned new_length) final;
-
-  DECLARE_TRACE();
+  DECLARE_VIRTUAL_TRACE();
 
  private:
-  const DocumentMarker::MarkerType marker_type_;
   HeapVector<Member<RenderedDocumentMarker>> markers_;
 
-  DISALLOW_COPY_AND_ASSIGN(GenericDocumentMarkerListImpl);
+  DISALLOW_COPY_AND_ASSIGN(TextMatchMarkerListImpl);
 };
 
 }  // namespace blink
 
-#endif  // GenericDocumentMarkerListImpl_h
+#endif  // TextMatchMarkerListImpl_h