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diff --git a/Source/WebCore/accessibility/AccessibilityMathMLElement.h b/Source/WebCore/accessibility/AccessibilityMathMLElement.h
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+++ b/Source/WebCore/accessibility/AccessibilityMathMLElement.h
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+/*
+ * Copyright (C) 2016 Igalia, S.L.
+ * 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 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.
+ */
+
+#pragma once
+
+#if ENABLE(MATHML)
+
+#include "AccessibilityRenderObject.h"
+#include "RenderMathMLBlock.h"
+#include "RenderMathMLFraction.h"
+#include "RenderMathMLMath.h"
+#include "RenderMathMLOperator.h"
+#include "RenderMathMLRoot.h"
+
+namespace WebCore {
+
+class AccessibilityMathMLElement : public AccessibilityRenderObject {
+
+public:
+    static Ref<AccessibilityMathMLElement> create(RenderObject*, bool isAnonymousOperator);
+    virtual ~AccessibilityMathMLElement();
+
+protected:
+    explicit AccessibilityMathMLElement(RenderObject*, bool isAnonymousOperator);
+
+private:
+    AccessibilityRole determineAccessibilityRole() final;
+    String textUnderElement(AccessibilityTextUnderElementMode = AccessibilityTextUnderElementMode()) const override;
+    String stringValue() const override;
+    bool isIgnoredElementWithinMathTree() const final;
+
+    bool isMathElement() const final { return true; }
+
+    bool isMathFraction() const override;
+    bool isMathFenced() const override;
+    bool isMathSubscriptSuperscript() const override;
+    bool isMathRow() const override;
+    bool isMathUnderOver() const override;
+    bool isMathRoot() const override;
+    bool isMathSquareRoot() const override;
+    bool isMathText() const override;
+    bool isMathNumber() const override;
+    bool isMathOperator() const override;
+    bool isMathFenceOperator() const override;
+    bool isMathSeparatorOperator() const override;
+    bool isMathIdentifier() const override;
+    bool isMathTable() const override;
+    bool isMathTableRow() const override;
+    bool isMathTableCell() const override;
+    bool isMathMultiscript() const override;
+    bool isMathToken() const override;
+    bool isMathScriptObject(AccessibilityMathScriptObjectType) const override;
+    bool isMathMultiscriptObject(AccessibilityMathMultiscriptObjectType) const override;
+
+    // Generic components.
+    AccessibilityObject* mathBaseObject() override;
+
+    // Root components.
+    AccessibilityObject* mathRadicandObject() override;
+    AccessibilityObject* mathRootIndexObject() override;
+
+    // Fraction components.
+    AccessibilityObject* mathNumeratorObject() override;
+    AccessibilityObject* mathDenominatorObject() override;
+
+    // Under over components.
+    AccessibilityObject* mathUnderObject() override;
+    AccessibilityObject* mathOverObject() override;
+
+    // Subscript/superscript components.
+    AccessibilityObject* mathSubscriptObject() override;
+    AccessibilityObject* mathSuperscriptObject() override;
+
+    // Fenced components.
+    String mathFencedOpenString() const override;
+    String mathFencedCloseString() const override;
+    int mathLineThickness() const override;
+    bool isAnonymousMathOperator() const override;
+
+    // Multiscripts components.
+    void mathPrescripts(AccessibilityMathMultiscriptPairs&) override;
+    void mathPostscripts(AccessibilityMathMultiscriptPairs&) override;
+
+    bool m_isAnonymousOperator;
+};
+
+} // namespace WebCore
+
+SPECIALIZE_TYPE_TRAITS_ACCESSIBILITY(AccessibilityMathMLElement, isMathElement())
+
+#endif // ENABLE(MATHML)