ON_CALL(*this, SetLocalDescription(_, _)).WillByDefault(testing::Invoke(
this, &MockPeerConnectionImpl::SetLocalDescriptionWorker));
ON_CALL(*this, SetRemoteDescription(_, _)).WillByDefault(testing::Invoke(
ON_CALL(*this, SetLocalDescription(_, _)).WillByDefault(testing::Invoke(
this, &MockPeerConnectionImpl::SetLocalDescriptionWorker));
ON_CALL(*this, SetRemoteDescription(_, _)).WillByDefault(testing::Invoke(