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diff --git a/chromium/third_party/WebKit/Source/core/accessibility/AXListBox.h b/chromium/third_party/WebKit/Source/core/accessibility/AXListBox.h
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+/*
+ * Copyright (C) 2008 Apple 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 AXListBox_h
+#define AXListBox_h
+
+#include "core/accessibility/AXRenderObject.h"
+
+namespace WebCore {
+
+class AXListBox : public AXRenderObject {
+
+private:
+    explicit AXListBox(RenderObject*);
+public:
+    static PassRefPtr<AXListBox> create(RenderObject*);
+    virtual ~AXListBox();
+
+    virtual bool canSetSelectedChildrenAttribute() const OVERRIDE;
+    void setSelectedChildren(AccessibilityChildrenVector&);
+    virtual AccessibilityRole roleValue() const OVERRIDE { return ListBoxRole; }
+
+    virtual void selectedChildren(AccessibilityChildrenVector&) OVERRIDE;
+
+    virtual void addChildren() OVERRIDE;
+
+private:
+    AXObject* listBoxOptionAXObject(HTMLElement*) const;
+    virtual AXObject* elementAccessibilityHitTest(const IntPoint&) const OVERRIDE;
+};
+
+} // namespace WebCore
+
+#endif // AXListBox_h