Remove RefCountedGarbageCollected from EventTarget objects

Source/modules/speech/SpeechSynthesis.h

Index: Source/modules/speech/SpeechSynthesis.h
diff --git a/Source/modules/speech/SpeechSynthesis.h b/Source/modules/speech/SpeechSynthesis.h
index ce8e049857ad3818de6111bd9aff179a2c82fb54..e48ce076ffbea340ac407c5ebf74076654a155f4 100644
--- a/Source/modules/speech/SpeechSynthesis.h
+++ b/Source/modules/speech/SpeechSynthesis.h
@@ -41,8 +41,7 @@ namespace WebCore {
 class ExceptionState;
 class PlatformSpeechSynthesizerClient;
 
-class SpeechSynthesis FINAL : public RefCountedGarbageCollected<SpeechSynthesis>, public PlatformSpeechSynthesizerClient, public ScriptWrappable, public ContextLifecycleObserver, public EventTargetWithInlineData {
-    DEFINE_EVENT_TARGET_REFCOUNTING(RefCountedGarbageCollected<SpeechSynthesis>);
+class SpeechSynthesis FINAL : public GarbageCollectedFinalized<SpeechSynthesis>, public PlatformSpeechSynthesizerClient, public ScriptWrappable, public ContextLifecycleObserver, public EventTargetWithInlineData {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SpeechSynthesis);
 public:
     static SpeechSynthesis* create(ExecutionContext*);