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diff --git a/chromium/third_party/WebKit/Source/core/clipboard/Clipboard.h b/chromium/third_party/WebKit/Source/core/clipboard/Clipboard.h
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+/*
+ * Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
+ * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
+ * Copyright (C) 2003, 2004, 2005, 2006, 2008 Apple Inc. 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 Clipboard_h
+#define Clipboard_h
+
+#include "bindings/v8/ScriptWrappable.h"
+#include "core/clipboard/ClipboardAccessPolicy.h"
+#include "core/fetch/ResourcePtr.h"
+#include "core/page/DragActions.h"
+#include "platform/geometry/IntPoint.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Forward.h"
+#include "wtf/RefCounted.h"
+#include "wtf/RefPtr.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+
+class DataObject;
+class DataTransferItemList;
+class DragImage;
+class Element;
+class ExceptionState;
+class FileList;
+class LocalFrame;
+class ImageResource;
+class Node;
+class Range;
+
+// State available during IE's events for drag and drop and copy/paste
+class Clipboard : public RefCountedWillBeGarbageCollectedFinalized<Clipboard>, public ScriptWrappable {
+public:
+    // Whether this clipboard is serving a drag-drop or copy-paste request.
+    enum ClipboardType {
+        CopyAndPaste,
+        DragAndDrop,
+    };
+
+    static PassRefPtrWillBeRawPtr<Clipboard> create(ClipboardType, ClipboardAccessPolicy, PassRefPtrWillBeRawPtr<DataObject>);
+    ~Clipboard();
+
+    bool isForCopyAndPaste() const { return m_clipboardType == CopyAndPaste; }
+    bool isForDragAndDrop() const { return m_clipboardType == DragAndDrop; }
+
+    String dropEffect() const { return dropEffectIsUninitialized() ? "none" : m_dropEffect; }
+    void setDropEffect(const String&);
+    bool dropEffectIsUninitialized() const { return m_dropEffect == "uninitialized"; }
+    String effectAllowed() const { return m_effectAllowed; }
+    void setEffectAllowed(const String&);
+
+    void clearData(const String& type = String());
+    String getData(const String& type) const;
+    bool setData(const String& type, const String& data);
+
+    // extensions beyond IE's API
+    Vector<String> types() const;
+    PassRefPtrWillBeRawPtr<FileList> files() const;
+
+    IntPoint dragLocation() const { return m_dragLoc; }
+    void setDragImage(Element*, int x, int y, ExceptionState&);
+    void clearDragImage();
+    ImageResource* dragImageResource() const { return m_dragImage.get(); }
+    void setDragImageResource(ImageResource*, const IntPoint&);
+    Node* dragImageElement() const { return m_dragImageElement.get(); }
+    void setDragImageElement(Node*, const IntPoint&);
+
+    PassOwnPtr<DragImage> createDragImage(IntPoint& dragLocation, LocalFrame*) const;
+    void declareAndWriteDragImage(Element*, const KURL&, const String& title);
+    void writeURL(const KURL&, const String&);
+    void writeRange(Range*, LocalFrame*);
+    void writePlainText(const String&);
+
+    bool hasData();
+
+    void setAccessPolicy(ClipboardAccessPolicy);
+    bool canReadTypes() const;
+    bool canReadData() const;
+    bool canWriteData() const;
+    // Note that the spec doesn't actually allow drag image modification outside the dragstart
+    // event. This capability is maintained for backwards compatiblity for ports that have
+    // supported this in the past. On many ports, attempting to set a drag image outside the
+    // dragstart operation is a no-op anyway.
+    bool canSetDragImage() const;
+
+    DragOperation sourceOperation() const;
+    DragOperation destinationOperation() const;
+    void setSourceOperation(DragOperation);
+    void setDestinationOperation(DragOperation);
+
+    bool hasDropZoneType(const String&);
+
+    PassRefPtrWillBeRawPtr<DataTransferItemList> items();
+
+    PassRefPtrWillBeRawPtr<DataObject> dataObject() const;
+
+    void trace(Visitor*);
+
+private:
+    Clipboard(ClipboardType, ClipboardAccessPolicy, PassRefPtrWillBeRawPtr<DataObject>);
+
+    void setDragImage(ImageResource*, Node*, const IntPoint&);
+
+    bool hasFileOfType(const String&) const;
+    bool hasStringOfType(const String&) const;
+
+    // Instead of using this member directly, prefer to use the can*() methods above.
+    ClipboardAccessPolicy m_policy;
+    String m_dropEffect;
+    String m_effectAllowed;
+    ClipboardType m_clipboardType;
+    RefPtrWillBeMember<DataObject> m_dataObject;
+
+    IntPoint m_dragLoc;
+    ResourcePtr<ImageResource> m_dragImage;
+    RefPtrWillBeMember<Node> m_dragImageElement;
+};
+
+DragOperation convertDropZoneOperationToDragOperation(const String& dragOperation);
+String convertDragOperationToDropZoneOperation(DragOperation);
+
+} // namespace WebCore
+
+#endif // Clipboard_h