Improve how DocumentMarkerController updates markers in response to text edits

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 12 matching lines @@
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef DocumentMarkerController_h
 #define DocumentMarkerController_h
 
 #include "core/CoreExport.h"
+#include "core/dom/SynchronousMutationObserver.h"
 #include "core/editing/iterators/TextIterator.h"
 #include "core/editing/markers/DocumentMarker.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/heap/Handle.h"
 #include "wtf/HashMap.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class Node;
@@ skipping 53 matching lines @@
                          kDoNotRemovePartiallyOverlappingMarker);
 
   void RemoveMarkers(
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
   void RemoveMarkers(
       Node*,
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
   void RemoveMarkers(const MarkerRemoverPredicate& should_remove_marker);
   void RepaintMarkers(
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
-  void ShiftMarkers(Node*, unsigned start_offset, int delta);
   // Returns true if markers within a range are found.
   bool SetMarkersActive(const EphemeralRange&, bool);
   // Returns true if markers within a range defined by a node, |startOffset| and
   // |endOffset| are found.
   bool SetMarkersActive(Node*,
                         unsigned start_offset,
                         unsigned end_offset,
                         bool);
   bool HasMarkers(Node* node) const { return markers_.Contains(node); }
 
@@ skipping 41 matching lines @@
   const Member<const Document> document_;
 };
 
 }  // namespace blink
 
 #ifndef NDEBUG
 void showDocumentMarkers(const blink::DocumentMarkerController*);
 #endif
 
 #endif  // DocumentMarkerController_h