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

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

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
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  * modification, are permitted provided that the following conditions
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  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 #ifndef SpeechRecognition_h
 #define SpeechRecognition_h
 
+#include "bindings/core/v8/V8GCRoot.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/page/PageLifecycleObserver.h"
 #include "modules/EventTargetModules.h"
 #include "modules/ModulesExport.h"
 #include "modules/speech/SpeechGrammarList.h"
 #include "modules/speech/SpeechRecognitionResult.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebPrivatePtr.h"
 #include "wtf/Compiler.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ExceptionState;
 class ExecutionContext;
 class MediaStreamTrack;
 class SpeechRecognitionController;
 class SpeechRecognitionError;
 
-class MODULES_EXPORT SpeechRecognition final : public RefCountedGarbageCollectedEventTargetWithInlineData<SpeechRecognition>, public PageLifecycleObserver, public ActiveDOMObject {
+class MODULES_EXPORT SpeechRecognition final : public RefCountedGarbageCollectedEventTargetWithInlineData<SpeechRecognition>, public PageLifecycleObserver, public ActiveDOMObject, public V8GCRoot {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(SpeechRecognition);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechRecognition);
     DEFINE_WRAPPERTYPEINFO();
 public:
     static SpeechRecognition* create(ExecutionContext*);
     ~SpeechRecognition() override;
 
     // SpeechRecognition.idl implemementation.
     // Attributes.
     SpeechGrammarList* grammars() { return m_grammars; }
@@ skipping 65 matching lines @@
     RawPtrWillBeMember<SpeechRecognitionController> m_controller;
     bool m_stoppedByActiveDOMObject;
     bool m_started;
     bool m_stopping;
     HeapVector<Member<SpeechRecognitionResult>> m_finalResults;
 };
 
 } // namespace blink
 
 #endif // SpeechRecognition_h