bluetooth: Create stub manager, adapter and device.

chromeos/dbus/bluetooth_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_BLUETOOTH_DEVICE_CLIENT_H_
 #define CHROMEOS_DBUS_BLUETOOTH_DEVICE_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 73 matching lines @@
 
     // Object path of the adapter the device belongs to. Read-only.
     dbus::Property<dbus::ObjectPath> adapter;
 
     // Indicates whether the device is likely to only support pre-2.1
     // PIN Code pairing rather than 2.1 Secure Simple Pairing, this can
     // give false positives. Read-only.
     dbus::Property<bool> legacy_pairing;
 
     Properties(dbus::ObjectProxy* object_proxy,
-               PropertyChangedCallback callback);
+               const PropertyChangedCallback& callback);
     virtual ~Properties();
   };
 
   // Interface for observing changes from a remote bluetooth device.
   class Observer {
    public:
     virtual ~Observer() {}
 
     // Called when the device with object path |object_path| has a
     // change in value of the property named |property_name|.
@@ skipping 97 matching lines @@
  protected:
   BluetoothDeviceClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_BLUETOOTH_DEVICE_CLIENT_H_