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diff --git a/Source/WebCore/html/track/TextTrackCueList.h b/Source/WebCore/html/track/TextTrackCueList.h
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+++ b/Source/WebCore/html/track/TextTrackCueList.h
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+/*
+ * Copyright (C) 2011 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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 TextTrackCueList_h
+#define TextTrackCueList_h
+
+#if ENABLE(VIDEO_TRACK)
+
+#include "TextTrackCue.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class TextTrackCueList : public RefCounted<TextTrackCueList> {
+public:
+    static PassRefPtr<TextTrackCueList> create()
+    {
+        return adoptRef(new TextTrackCueList);
+    }
+
+    ~TextTrackCueList() { }
+
+    unsigned long length() const;
+    unsigned long getCueIndex(TextTrackCue*) const;
+
+    TextTrackCue* item(unsigned index) const;
+    TextTrackCue* getCueById(const String&) const;
+    TextTrackCueList* activeCues();
+
+    bool add(PassRefPtr<TextTrackCue>);
+    bool remove(TextTrackCue*);
+    bool contains(TextTrackCue*) const;
+
+private:
+    TextTrackCueList();
+    bool add(PassRefPtr<TextTrackCue>, size_t, size_t);
+    void clear();
+    void invalidateCueIndexes(size_t);
+
+    Vector<RefPtr<TextTrackCue> > m_list;
+    RefPtr<TextTrackCueList> m_activeCues;
+
+};
+
+} // namespace WebCore
+
+#endif
+#endif