| Index: third_party/WebKit/Source/core/dom/Element.h
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| diff --git a/third_party/WebKit/Source/core/dom/Element.h b/third_party/WebKit/Source/core/dom/Element.h
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| index 3226de50f813870b89433d27506dbdecfb13ded2..e778e157399415c785276cfeb2dad5f61d37dc84 100644
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| --- a/third_party/WebKit/Source/core/dom/Element.h
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| +++ b/third_party/WebKit/Source/core/dom/Element.h
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| @@ -52,6 +52,7 @@ class CustomElementDefinition;
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|  class DOMStringMap;
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|  class DOMTokenList;
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|  class Dictionary;
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| +class ElementIntersectionObserverData;
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|  class ElementRareData;
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|  class ElementShadow;
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|  class ExceptionState;
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| @@ -553,6 +554,9 @@ public:
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|  
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|      SpellcheckAttributeState spellcheckAttributeState() const;
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|  
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| +    ElementIntersectionObserverData* intersectionObserverData() const;
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| +    ElementIntersectionObserverData& ensureIntersectionObserverData();
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| +
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|  protected:
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|      Element(const QualifiedName& tagName, Document*, ConstructionType);
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|  
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| 
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