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diff --git a/Source/WebCore/platform/chromium/ChromiumDataObjectLegacy.h b/Source/WebCore/platform/chromium/ChromiumDataObjectLegacy.h
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+/*
+ * Copyright (c) 2008, 2009, Google Inc. All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ChromiumDataObjectLegacy_h
+#define ChromiumDataObjectLegacy_h
+
+#include "Clipboard.h"
+#include "KURL.h"
+#include "PlatformString.h"
+#include "SharedBuffer.h"
+#include <wtf/HashSet.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+#include <wtf/text/StringHash.h>
+
+namespace WebCore {
+
+// A data object for holding data that would be in a clipboard or moved
+// during a drag-n-drop operation.  This is the data that WebCore is aware
+// of and is not specific to a platform.
+class ChromiumDataObjectLegacy : public RefCounted<ChromiumDataObjectLegacy> {
+public:
+    static PassRefPtr<ChromiumDataObjectLegacy> create(Clipboard::ClipboardType clipboardType)
+    {
+        return adoptRef(new ChromiumDataObjectLegacy(clipboardType));
+    }
+
+    PassRefPtr<ChromiumDataObjectLegacy> copy() const
+    {
+        return adoptRef(new ChromiumDataObjectLegacy(*this));
+    }
+
+    void clearData(const String& type);
+    void clearAll();
+    void clearAllExceptFiles();
+
+    bool hasData() const;
+
+    HashSet<String> types() const;
+    String getData(const String& type, bool& success);
+    bool setData(const String& type, const String& data);
+
+    // Special handlers for URL/HTML metadata.
+    String urlTitle() const { return m_urlTitle; }
+    void setUrlTitle(const String& urlTitle) { m_urlTitle = urlTitle; }
+    KURL htmlBaseUrl() const { return m_htmlBaseUrl; }
+    void setHtmlBaseUrl(const KURL& url) { m_htmlBaseUrl = url; }
+
+    // Used to handle files being dragged in.
+    bool containsFilenames() const { return !m_filenames.isEmpty(); }
+    Vector<String> filenames() const { return m_filenames; }
+    void setFilenames(const Vector<String>& filenames) { m_filenames = filenames; }
+
+    // Used to handle files (images) being dragged out.
+    String fileExtension() const { return m_fileExtension; }
+    void setFileExtension(const String& fileExtension) { m_fileExtension = fileExtension; }
+    String fileContentFilename() const { return m_fileContentFilename; }
+    void setFileContentFilename(const String& fileContentFilename) { m_fileContentFilename = fileContentFilename; }
+    PassRefPtr<SharedBuffer> fileContent() const { return m_fileContent; }
+    void setFileContent(PassRefPtr<SharedBuffer> fileContent) { m_fileContent = fileContent; }
+
+private:
+    ChromiumDataObjectLegacy(Clipboard::ClipboardType);
+    ChromiumDataObjectLegacy(const ChromiumDataObjectLegacy&);
+
+    Clipboard::ClipboardType m_clipboardType;
+
+    String m_urlTitle;
+
+    String m_downloadMetadata;
+
+    String m_fileExtension;
+    Vector<String> m_filenames;
+
+    String m_plainText;
+
+    String m_textHtml;
+    KURL m_htmlBaseUrl;
+
+    String m_fileContentFilename;
+    RefPtr<SharedBuffer> m_fileContent;
+
+    // These two are linked. Setting m_url will set m_uriList to the same
+    // string value; setting m_uriList will cause its contents to be parsed
+    // according to RFC 2483 and the first URL found will be set in m_url.
+    KURL m_url;
+    String m_uriList;
+};
+
+} // namespace WebCore
+
+#endif