Revert "Fix tests for using IBase instead of IBinder."

    return Void();

}

// TODO: remove after b/33173166 is fixed.

struct Simple : public ISimple {

    Simple(int32_t cookie)

        : mCookie(cookie) {

    }

    Return<int32_t> getCookie() override {

        return mCookie;

    }

private:

    int32_t mCookie;

};

// TODO: use _hidl_cb(in) after b/33173166 is fixed.

Return<void> Bar::haveAVectorOfGenericInterfaces(

        const hidl_vec<sp<android::hidl::base::V1_0::IBase> > &in,

        haveAVectorOfGenericInterfaces_cb _hidl_cb) {

    // _hidl_cb(in);

    hidl_vec<sp<android::hidl::base::V1_0::IBase> > out;

    out.resize(in.size());

    for (size_t i = 0; i < in.size(); ++i) {

        sp<ISimple> s = ISimple::castFrom(in[i]);

        if (s.get() == nullptr) {

            out[i] = new Simple(-1);

        } else {

            out[i] = new Simple(s->getCookie());

        }

    }

    _hidl_cb(out);

    _hidl_cb(in);

    return Void();

}