[MarkersIntersectingRange #2] Add DocumentMarkerController::MarkersIntersectingRange()

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 76 matching lines @@
   bool SetTextMatchMarkersActive(Node*,
                                  unsigned start_offset,
                                  unsigned end_offset,
                                  bool);
   bool HasMarkers(Node* node) const { return markers_.Contains(node); }
 
   // Returns a marker of one of the specified types that includes the specified
   // Position in its interior (not at an endpoint), if one exists.
   DocumentMarker* MarkerAtPosition(const Position&,
                                    DocumentMarker::MarkerTypes);
+  // Return all markers of the specified types whose interiors have non-empty
+  // overlap with the range [start_offset, end_offset]. Note that the range can
+  // be collapsed, in which case markers containing the offset in their
+  // interiors are returned.
+  HeapVector<std::pair<Member<Node>, Member<DocumentMarker>>>
+  MarkersIntersectingRange(const EphemeralRangeInFlatTree&,
+                           DocumentMarker::MarkerTypes);
   DocumentMarkerVector MarkersFor(
       Node*,
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
   DocumentMarkerVector Markers();
   Vector<IntRect> LayoutRectsForTextMatchMarkers();
   void InvalidateRectsForAllTextMatchMarkers();
   void InvalidateRectsForTextMatchMarkersInNode(const Node&);
 
   DECLARE_TRACE();
 
@@ skipping 33 matching lines @@
   const Member<const Document> document_;
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 void showDocumentMarkers(const blink::DocumentMarkerController*);
 #endif
 
 #endif  // DocumentMarkerController_h