Float32ImageData, PerformanceObserver: no finalization needed.

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 cea36e179ba9dedf6f64bd4d44e2bc1cfe90bf11..116bca718deae85c073e7aa6916408074d64a786 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceObserver.h
+++ b/third_party/WebKit/Source/core/timing/PerformanceObserver.h
@@ -23,7 +23,7 @@ class PerformanceObserverInit;
 using PerformanceEntryVector = HeapVector<Member<PerformanceEntry>>;
 
 class CORE_EXPORT PerformanceObserver final
-    : public GarbageCollectedFinalized<PerformanceObserver>,
+    : public GarbageCollected<PerformanceObserver>,
       public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();
   friend class PerformanceBase;