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diff --git a/Source/WebCore/dom/DocumentMarkerController.h b/Source/WebCore/dom/DocumentMarkerController.h
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+/*
+ * 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.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * 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 "DocumentMarker.h"
+#include <wtf/HashMap.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class IntPoint;
+class IntRect;
+class Node;
+class Range;
+
+class DocumentMarkerController : public Noncopyable {
+public:
+    ~DocumentMarkerController() { detach(); }
+
+    void detach();
+    void addMarker(Range*, DocumentMarker::MarkerType, String description = String());
+    void addMarker(Node*, DocumentMarker);
+    void copyMarkers(Node* srcNode, unsigned startOffset, int length, Node* dstNode, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    bool hasMarkers(Range*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers);
+    void removeMarkers(Range*, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void removeMarkers(Node*, unsigned startOffset, int length, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void removeMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void removeMarkers(Node*, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void repaintMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void setRenderedRectForMarker(Node*, const DocumentMarker&, const IntRect&);
+    void invalidateRenderedRectsForMarkersInRect(const IntRect&);
+    void shiftMarkers(Node*, unsigned startOffset, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    void setMarkersActive(Range*, bool);
+    void setMarkersActive(Node*, unsigned startOffset, unsigned endOffset, bool);
+
+    DocumentMarker* markerContainingPoint(const IntPoint&, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+    Vector<DocumentMarker> markersForNode(Node*);
+    Vector<IntRect> renderedRectsForMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
+
+#ifndef NDEBUG
+    void showMarkers() const;
+#endif
+
+private:
+    typedef std::pair<Vector<DocumentMarker>, Vector<IntRect> > MarkerMapVectorPair;
+    typedef HashMap<RefPtr<Node>, MarkerMapVectorPair*> MarkerMap;
+    MarkerMap m_markers;
+    void removeMarkersFromMarkerMapVectorPair(Node*, MarkerMapVectorPair*, DocumentMarker::MarkerType);
+};
+
+} // namespace WebCore
+
+#ifndef NDEBUG
+void showDocumentMarkers(const WebCore::DocumentMarkerController*);
+#endif
+
+#endif // DocumentMarkerController_h