This converts the Shill clients to allow propagation of shill errors

chromeos/dbus/shill_device_client.h

 // Copyright (c) 2012 The Chromium 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 CHROMEOS_DBUS_SHILL_DEVICE_CLIENT_H_
 #define CHROMEOS_DBUS_SHILL_DEVICE_CLIENT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 63 matching lines @@
   // Calls ProposeScan method.
   // |callback| is called after the method call finishes.
   virtual void ProposeScan(const dbus::ObjectPath& device_path,
                            const VoidDBusMethodCallback& callback) = 0;
 
   // Calls SetProperty method.
   // |callback| is called after the method call finishes.
   virtual void SetProperty(const dbus::ObjectPath& device_path,
                            const std::string& name,
                            const base::Value& value,
-                           const VoidDBusMethodCallback& callback) = 0;
+                           const base::Closure& callback,
+                           const ErrorCallback& error_callback) = 0;
 
   // Calls ClearProperty method.
   // |callback| is called after the method call finishes.
   virtual void ClearProperty(const dbus::ObjectPath& device_path,
                              const std::string& name,
                              const VoidDBusMethodCallback& callback) = 0;
 
   // Calls AddIPConfig method.
   // |callback| is called after the method call finishes.
   virtual void AddIPConfig(const dbus::ObjectPath& device_path,
@@ skipping 59 matching lines @@
   // Create() should be used instead.
   ShillDeviceClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShillDeviceClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_SHILL_DEVICE_CLIENT_H_