MergedDescriptorDatabase 450 third_party/protobuf/src/google/protobuf/descriptor_database.cc MergedDescriptorDatabase::MergedDescriptorDatabase( MergedDescriptorDatabase 456 third_party/protobuf/src/google/protobuf/descriptor_database.cc MergedDescriptorDatabase::MergedDescriptorDatabase( MergedDescriptorDatabase 459 third_party/protobuf/src/google/protobuf/descriptor_database.cc MergedDescriptorDatabase::~MergedDescriptorDatabase() {}