| Index: Source/core/dom/Document.cpp
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| diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
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| index f24c19c72465aa0b25c454b7d671c44a9501b01a..360d3e878fe5903b5d0a4071af62126cf0497fd0 100644
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| --- a/Source/core/dom/Document.cpp
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| +++ b/Source/core/dom/Document.cpp
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| @@ -3915,9 +3915,6 @@ void Document::addListenerTypeIfNeeded(const AtomicString& eventType)
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|      } else if (eventType == EventTypeNames::DOMCharacterDataModified) {
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|          UseCounter::count(*this, UseCounter::DOMCharacterDataModifiedEvent);
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|          addMutationEventListenerTypeIfEnabled(DOMCHARACTERDATAMODIFIED_LISTENER);
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| -    } else if (eventType == EventTypeNames::overflowchanged && RuntimeEnabledFeatures::overflowChangedEventEnabled()) {
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| -        UseCounter::countDeprecation(*this, UseCounter::OverflowChangedEvent);
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| -        addListenerType(OVERFLOWCHANGED_LISTENER);
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|      } else if (eventType == EventTypeNames::webkitAnimationStart || eventType == EventTypeNames::animationstart) {
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|          addListenerType(ANIMATIONSTART_LISTENER);
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|      } else if (eventType == EventTypeNames::webkitAnimationEnd || eventType == EventTypeNames::animationend) {
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| 
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