Rename ActiveDOMObject to SuspendableObject

third_party/WebKit/Source/core/streams/UnderlyingSourceBase.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/streams/UnderlyingSourceBase.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/streams/ReadableStreamController.h"
@@ skipping 48 matching lines @@
 }
 
 void UnderlyingSourceBase::contextDestroyed() {
   if (m_controller) {
     m_controller->noteHasBeenCanceled();
     m_controller.clear();
   }
 }
 
 DEFINE_TRACE(UnderlyingSourceBase) {
-  ActiveDOMObject::trace(visitor);
+  SuspendableObject::trace(visitor);
   visitor->trace(m_controller);
 }
 
 }  // namespace blink