[v8 gc] Introduce a base class for all objects that can have pending activity

third_party/WebKit/Source/modules/speech/SpeechRecognition.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 157 matching lines @@
         abort();
 }
 
 bool SpeechRecognition::hasPendingActivity() const
 {
     return m_started;
 }
 
 SpeechRecognition::SpeechRecognition(Page* page, ExecutionContext* context)
     : PageLifecycleObserver(page)
+    , ActiveScriptWrappable(this)
     , ActiveDOMObject(context)
     , m_grammars(SpeechGrammarList::create()) // FIXME: The spec is not clear on the default value for the grammars attribute.
     , m_audioTrack(nullptr)
     , m_continuous(false)
     , m_interimResults(false)
     , m_maxAlternatives(1)
     , m_controller(SpeechRecognitionController::from(page))
     , m_stoppedByActiveDOMObject(false)
     , m_started(false)
     , m_stopping(false)
@@ skipping 16 matching lines @@
     visitor->trace(m_grammars);
     visitor->trace(m_audioTrack);
     visitor->trace(m_controller);
     visitor->trace(m_finalResults);
     RefCountedGarbageCollectedEventTargetWithInlineData<SpeechRecognition>::trace(visitor);
     PageLifecycleObserver::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink