| Index: third_party/WebKit/Source/core/dom/Document.h
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| diff --git a/third_party/WebKit/Source/core/dom/Document.h b/third_party/WebKit/Source/core/dom/Document.h
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| index 7e996cd4f93353633b8ac9b10711d049a50255ba..c2edfa0a8c872edc95a6eb47efe3c9a4f7ea8526 100644
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| --- a/third_party/WebKit/Source/core/dom/Document.h
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| +++ b/third_party/WebKit/Source/core/dom/Document.h
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| @@ -687,6 +687,7 @@ public:
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|  
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|      WeakPtrWillBeRawPtr<Document> createWeakPtr();
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|  
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| +    IntersectionObserverController* intersectionObserverController();
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|      IntersectionObserverController& ensureIntersectionObserverController();
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|  
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|      void updateViewportDescription();
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| 
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