src/butil/cancelable_callback.h
void Cancel() {
    weak_factory_.InvalidateWeakPtrs();
    forwarder_.Reset();
    callback_.Reset();
  }
// Cancels and drops the reference to the wrapped callback.
Cancels and drops the reference to the wrapped callback.
Cancels and drops the reference to the wrapped callback .
void Cancel() {
    weak_factory_.InvalidateWeakPtrs();
    forwarder_.Reset();
    callback_.Reset();
  }
void Cancel ( ) { weak_factory_ . InvalidateWeakPtrs ( ) ; forwarder_ . Reset ( ) ; callback_ . Reset ( ) ; }
Cancels and drops the reference to the wrapped callback.
Cancels and drops the reference to the wrapped callback .