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diff --git a/WebKit/chromium/public/WebAccessibilityObject.h b/WebKit/chromium/public/WebAccessibilityObject.h
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+/*
+ * Copyright (C) 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 WebAccessibilityObject_h
+#define WebAccessibilityObject_h
+
+#include "WebAccessibilityRole.h"
+#include "WebCommon.h"
+
+#if WEBKIT_IMPLEMENTATION
+namespace WebCore { class AccessibilityObject; }
+namespace WTF { template <typename T> class PassRefPtr; }
+#endif
+
+namespace WebKit {
+
+class WebAccessibilityObjectPrivate;
+class WebString;
+struct WebPoint;
+struct WebRect;
+
+// A container for passing around a reference to AccessibilityObject.
+class WebAccessibilityObject {
+public:
+    ~WebAccessibilityObject() { reset(); }
+
+    WebAccessibilityObject() : m_private(0) { }
+    WebAccessibilityObject(const WebAccessibilityObject& o) : m_private(0) { assign(o); }
+    WebAccessibilityObject& operator=(const WebAccessibilityObject& o)
+    {
+        assign(o);
+        return *this;
+    }
+
+    WEBKIT_API void reset();
+    WEBKIT_API void assign(const WebAccessibilityObject&);
+
+    bool isNull() const { return !m_private; }
+
+    WebString accessibilityDescription() const;
+    WebString actionVerb() const;
+    bool canSetFocusAttribute() const;
+    bool canSetValueAttribute() const;
+
+    unsigned childCount() const;
+
+    WebAccessibilityObject childAt(unsigned) const;
+    WebAccessibilityObject firstChild() const;
+    WebAccessibilityObject focusedChild() const;
+    WebAccessibilityObject lastChild() const;
+    WebAccessibilityObject nextSibling() const;
+    WebAccessibilityObject parentObject() const;
+    WebAccessibilityObject previousSibling() const;
+
+    bool isAnchor() const;
+    bool isChecked() const;
+    bool isFocused() const;
+    bool isEnabled() const;
+    bool isHovered() const;
+    bool isIndeterminate() const;
+    bool isMultiSelectable() const;
+    bool isOffScreen() const;
+    bool isPasswordField() const;
+    bool isPressed() const;
+    bool isReadOnly() const;
+    bool isVisited() const;
+
+    WebRect boundingBoxRect() const;
+    WebString helpText() const;
+    WebAccessibilityObject hitTest(const WebPoint&) const;
+    WebString keyboardShortcut() const;
+    bool performDefaultAction() const;
+    WebAccessibilityRole roleValue() const;
+    WebString stringValue() const;
+    WebString title() const;
+
+#if WEBKIT_IMPLEMENTATION
+    WebAccessibilityObject(const WTF::PassRefPtr<WebCore::AccessibilityObject>&);
+    WebAccessibilityObject& operator=(const WTF::PassRefPtr<WebCore::AccessibilityObject>&);
+    operator WTF::PassRefPtr<WebCore::AccessibilityObject>() const;
+#endif
+
+private:
+    void assign(WebAccessibilityObjectPrivate*);
+    WebAccessibilityObjectPrivate* m_private;
+};
+
+} // namespace WebKit
+
+#endif