Mixin 1152 Source/platform/heap/HeapTest.cpp class UseMixin : public SimpleObject, public Mixin { Mixin 1164 Source/platform/heap/HeapTest.cpp Mixin::trace(visitor); Mixin 3001 Source/platform/heap/HeapTest.cpp Persistent<Mixin> mixin = usemixin; Mixin 3006 Source/platform/heap/HeapTest.cpp PersistentHeapHashSet<WeakMember<Mixin> > weakMap;