WeakPtrBase 67 base/memory/weak_ptr.cc WeakPtrBase::WeakPtrBase() { WeakPtrBase 70 base/memory/weak_ptr.cc WeakPtrBase::~WeakPtrBase() { WeakPtrBase 73 base/memory/weak_ptr.cc WeakPtrBase::WeakPtrBase(const WeakReference& ref) : ref_(ref) {