| Index: Source/core/frame/FrameView.cpp
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| diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
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| index 0df8bfb5dad9eb0f899ff9d4b0eeff8122b2ac1f..ada21e0cbe30181290d227c3d938e713122be54c 100644
 | 
| --- a/Source/core/frame/FrameView.cpp
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| +++ b/Source/core/frame/FrameView.cpp
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| @@ -2303,7 +2303,7 @@ void FrameView::updateOverflowStatus(bool horizontalOverflow, bool verticalOverf
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|          m_horizontalOverflow = horizontalOverflow;
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|          m_verticalOverflow = verticalOverflow;
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|  
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| -        RefPtr<OverflowEvent> event = OverflowEvent::create(horizontalOverflowChanged, horizontalOverflow, verticalOverflowChanged, verticalOverflow);
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| +        RefPtrWillBeRawPtr<OverflowEvent> event = OverflowEvent::create(horizontalOverflowChanged, horizontalOverflow, verticalOverflowChanged, verticalOverflow);
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|          event->setTarget(m_viewportRenderer->node());
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|          m_frame->document()->enqueueAnimationFrameEvent(event.release());
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|      }
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| 
 |