Remove unnecessary uses of GarbageCollectedFinalized<>.

third_party/WebKit/Source/core/timing/PerformanceObserver.h

Index: third_party/WebKit/Source/core/timing/PerformanceObserver.h
diff --git a/third_party/WebKit/Source/core/timing/PerformanceObserver.h b/third_party/WebKit/Source/core/timing/PerformanceObserver.h
index 7104487ccd6c8a7a5a63068159188c566900b5a2..6fe610dce4bad5f5b19ad316c1eb17b5dd98d527 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceObserver.h
+++ b/third_party/WebKit/Source/core/timing/PerformanceObserver.h
@@ -20,22 +20,18 @@ class PerformanceObserverInit;
 
 using PerformanceEntryVector = HeapVector<Member<PerformanceEntry>>;
 
-class PerformanceObserver final : public GarbageCollectedFinalized<PerformanceObserver>, public ScriptWrappable {
+class PerformanceObserver final : public GarbageCollected<PerformanceObserver>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
     friend class PerformanceBase;
 public:
     static PerformanceObserver* create(PerformanceBase*, PerformanceObserverCallback*);
     static void resumeSuspendedObservers();
 
-    ~PerformanceObserver();
-
     void observe(const PerformanceObserverInit&, ExceptionState&);
     void disconnect();
     void enqueuePerformanceEntry(PerformanceEntry&);
     PerformanceEntryTypeMask filterOptions() const { return m_filterOptions; }
 
-    // Eagerly finalized as destructor accesses heap object members.
-    EAGERLY_FINALIZE();
     DECLARE_TRACE();
 
 private: