| Index: Source/core/html/track/vtt/VTTRegion.cpp
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| diff --git a/Source/core/html/track/vtt/VTTRegion.cpp b/Source/core/html/track/vtt/VTTRegion.cpp
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| index 4a42cfec062f81f64cb53681094f25d8ac5309c8..bceaeeaa9b6a8bb0f270d6a37323011df55cb9dc 100644
 | 
| --- a/Source/core/html/track/vtt/VTTRegion.cpp
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| +++ b/Source/core/html/track/vtt/VTTRegion.cpp
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| @@ -452,7 +452,7 @@ void VTTRegion::startTimer()
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|          return;
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|  
 | 
|      double duration = isScrollingRegion() ? scrollTime : 0;
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| -    m_scrollTimer.startOneShot(duration);
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| +    m_scrollTimer.startOneShot(duration, FROM_HERE);
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|  }
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|  
 | 
|  void VTTRegion::stopTimer()
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| 
 |