diff --git a/cros/dlcservice_chromeos.cc b/cros/dlcservice_chromeos.cc
new file mode 100644
index 0000000..e510c1d
--- /dev/null
+++ b/cros/dlcservice_chromeos.cc
@@ -0,0 +1,77 @@
+//
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#include "update_engine/cros/dlcservice_chromeos.h"
+
+#include <brillo/errors/error.h>
+#include <dlcservice/proto_bindings/dlcservice.pb.h>
+// NOLINTNEXTLINE(build/include_alpha) "dbus-proxies.h" needs "dlcservice.pb.h"
+#include <dlcservice/dbus-proxies.h>
+
+#include "update_engine/cros/dbus_connection.h"
+
+using std::string;
+using std::vector;
+
+namespace chromeos_update_engine {
+
+namespace {
+org::chromium::DlcServiceInterfaceProxy GetDlcServiceProxy() {
+  return {DBusConnection::Get()->GetDBus()};
+}
+}  // namespace
+
+std::unique_ptr<DlcServiceInterface> CreateDlcService() {
+  return std::make_unique<DlcServiceChromeOS>();
+}
+
+bool DlcServiceChromeOS::GetDlcsToUpdate(vector<string>* dlc_ids) {
+  if (!dlc_ids)
+    return false;
+  dlc_ids->clear();
+
+  brillo::ErrorPtr err;
+  if (!GetDlcServiceProxy().GetDlcsToUpdate(dlc_ids, &err)) {
+    LOG(ERROR) << "dlcservice failed to return DLCs that need to be updated. "
+               << "ErrorCode=" << err->GetCode()
+               << ", ErrMsg=" << err->GetMessage();
+    dlc_ids->clear();
+    return false;
+  }
+  return true;
+}
+
+bool DlcServiceChromeOS::InstallCompleted(const vector<string>& dlc_ids) {
+  brillo::ErrorPtr err;
+  if (!GetDlcServiceProxy().InstallCompleted(dlc_ids, &err)) {
+    LOG(ERROR) << "dlcservice failed to complete install. ErrCode="
+               << err->GetCode() << ", ErrMsg=" << err->GetMessage();
+    return false;
+  }
+  return true;
+}
+
+bool DlcServiceChromeOS::UpdateCompleted(const vector<string>& dlc_ids) {
+  brillo::ErrorPtr err;
+  if (!GetDlcServiceProxy().UpdateCompleted(dlc_ids, &err)) {
+    LOG(ERROR) << "dlcservice failed to complete updated. ErrCode="
+               << err->GetCode() << ", ErrMsg=" << err->GetMessage();
+    return false;
+  }
+  return true;
+}
+
+}  // namespace chromeos_update_engine