| Index: third_party/WebKit/Source/core/dom/IntersectionObserver.h
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| diff --git a/third_party/WebKit/Source/core/dom/IntersectionObserver.h b/third_party/WebKit/Source/core/dom/IntersectionObserver.h
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| index 34a89d2615172d6f5baee6413d314695c37434e9..48b1823d9307297a3f8e1e373aaf31135623d3ba 100644
 | 
| --- a/third_party/WebKit/Source/core/dom/IntersectionObserver.h
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| +++ b/third_party/WebKit/Source/core/dom/IntersectionObserver.h
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| @@ -42,6 +42,7 @@ public:
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|      void setActive(bool);
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|      void disconnect();
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|      void removeObservation(IntersectionObservation&);
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| +    bool hasEntries() const { return m_entries.size(); }
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|  
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|      DECLARE_TRACE();
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|  
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| 
 |