| Index: third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp | 
| diff --git a/third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp b/third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp | 
| index 7472addf7666c88528a76d7136b9c1fdcf5f82f2..115b1f441afda1d0cf20501a329ed5d8fc4fbb2f 100644 | 
| --- a/third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp | 
| +++ b/third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp | 
| @@ -66,7 +66,7 @@ void UnderlyingSourceBase::contextDestroyed() { | 
| } | 
|  | 
| DEFINE_TRACE(UnderlyingSourceBase) { | 
| -  ActiveDOMObject::trace(visitor); | 
| +  SuspendableObject::trace(visitor); | 
| visitor->trace(m_controller); | 
| } | 
|  | 
|  |