diff --git a/buffet/commands/cloud_command_proxy.cc b/buffet/commands/cloud_command_proxy.cc
index 78f87cb..a87e410 100644
--- a/buffet/commands/cloud_command_proxy.cc
+++ b/buffet/commands/cloud_command_proxy.cc
@@ -29,9 +29,9 @@
 
 CloudCommandProxy::CloudCommandProxy(
     CommandInstance* command_instance,
-    DeviceRegistrationInfo* device_registration_info)
-    : command_instance_(command_instance),
-      device_registration_info_(device_registration_info) {
+    CloudCommandUpdateInterface* cloud_command_updater)
+    : command_instance_{command_instance},
+      cloud_command_updater_{cloud_command_updater} {
 }
 
 void CloudCommandProxy::OnResultsChanged() {
@@ -71,7 +71,7 @@
   command_update_in_progress_ = true;
   in_progress_command_updates_ = new_pending_command_updates_;
   new_pending_command_updates_.reset();
-  device_registration_info_->UpdateCommand(
+  cloud_command_updater_->UpdateCommand(
       command_instance_->GetID(), patch,
       base::Bind(&CloudCommandProxy::OnUpdateCommandFinished,
                  weak_ptr_factory_.GetWeakPtr(), true),
diff --git a/buffet/commands/cloud_command_proxy.h b/buffet/commands/cloud_command_proxy.h
index 12c7f88..2c607ea 100644
--- a/buffet/commands/cloud_command_proxy.h
+++ b/buffet/commands/cloud_command_proxy.h
@@ -11,18 +11,18 @@
 #include <base/macros.h>
 #include <base/memory/weak_ptr.h>
 
+#include "buffet/commands/cloud_command_update_interface.h"
 #include "buffet/commands/command_proxy_interface.h"
 
 namespace buffet {
 
 class CommandInstance;
-class DeviceRegistrationInfo;
 
 // Command proxy which publishes command updates to the cloud.
 class CloudCommandProxy final : public CommandProxyInterface {
  public:
   CloudCommandProxy(CommandInstance* command_instance,
-                    DeviceRegistrationInfo* device_registration_info);
+                    CloudCommandUpdateInterface* cloud_command_updater);
   ~CloudCommandProxy() override = default;
 
   // CommandProxyInterface implementation/overloads.
@@ -47,7 +47,7 @@
   void OnUpdateCommandFinished(bool success);
 
   CommandInstance* command_instance_;
-  DeviceRegistrationInfo* device_registration_info_;
+  CloudCommandUpdateInterface* cloud_command_updater_;
 
   // Set to true while a pending PATCH request is in flight to the server.
   bool command_update_in_progress_{false};
diff --git a/buffet/commands/cloud_command_update_interface.h b/buffet/commands/cloud_command_update_interface.h
new file mode 100644
index 0000000..d18ec85
--- /dev/null
+++ b/buffet/commands/cloud_command_update_interface.h
@@ -0,0 +1,30 @@
+// Copyright 2015 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BUFFET_COMMANDS_CLOUD_COMMAND_UPDATE_INTERFACE_H_
+#define BUFFET_COMMANDS_CLOUD_COMMAND_UPDATE_INTERFACE_H_
+
+#include <string>
+
+#include <base/callback_forward.h>
+#include <base/values.h>
+
+namespace buffet {
+
+// An abstract interface to allow for sending command update requests to the
+// cloud server.
+class CloudCommandUpdateInterface {
+ public:
+  virtual void UpdateCommand(const std::string& command_id,
+                             const base::DictionaryValue& command_patch,
+                             const base::Closure& on_success,
+                             const base::Closure& on_error) = 0;
+
+ protected:
+  virtual ~CloudCommandUpdateInterface() = default;
+};
+
+}  // namespace buffet
+
+#endif  // BUFFET_COMMANDS_CLOUD_COMMAND_UPDATE_INTERFACE_H_