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diff --git a/Source/WebCore/accessibility/AccessibilityLabel.h b/Source/WebCore/accessibility/AccessibilityLabel.h
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+++ b/Source/WebCore/accessibility/AccessibilityLabel.h
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+/*
+ * Copyright (C) 2016 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 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.
+ */
+
+#pragma once
+
+#include "AccessibilityRenderObject.h"
+
+namespace WebCore {
+    
+class AccessibilityLabel final : public AccessibilityRenderObject {
+public:
+    static Ref<AccessibilityLabel> create(RenderObject*);
+    virtual ~AccessibilityLabel();
+    
+    bool containsOnlyStaticText() const;
+
+private:
+    explicit AccessibilityLabel(RenderObject*);
+    bool computeAccessibilityIsIgnored() const final;
+    AccessibilityRole roleValue() const final { return LabelRole; }
+    bool isLabel() const final { return true; }
+    String stringValue() const final;
+    void updateChildrenIfNecessary() final;
+    void clearChildren() final;
+    void insertChild(AccessibilityObject*, unsigned) final;
+    bool m_containsOnlyStaticTextDirty : 1;
+    bool m_containsOnlyStaticText : 1;
+};
+
+} // namespace WebCore
+
+SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityLabel, isLabel())