ThreadSafeRefCountedWillBeGarbageCollected  693 Source/platform/heap/Handle.h #define ThreadSafeRefCountedWillBeGarbageCollected WebCore::GarbageCollected
ThreadSafeRefCountedWillBeGarbageCollected  763 Source/platform/heap/Handle.h #define ThreadSafeRefCountedWillBeGarbageCollected WTF::ThreadSafeRefCounted