Refactor DBusThreadManager to split away BT clients.

device/bluetooth/dbus/bluetooth_gatt_manager_client.h

 // Copyright 2014 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_GATT_MANAGER_CLIENT_H_
-#define CHROMEOS_DBUS_BLUETOOTH_GATT_MANAGER_CLIENT_H_
+#ifndef DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_MANAGER_CLIENT_H_
+#define DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_MANAGER_CLIENT_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "chromeos/chromeos_export.h"
-#include "chromeos/dbus/dbus_client.h"
 #include "dbus/object_path.h"
+#include "device/bluetooth/dbus/bluez_dbus_client.h"
 
-namespace chromeos {
+namespace bluez {
 
 // BluetoothGattManagerClient is used to communicate with the GATT Service
 // manager object of the Bluetooth daemon.
-class CHROMEOS_EXPORT BluetoothGattManagerClient : public DBusClient {
+class CHROMEOS_EXPORT BluetoothGattManagerClient : public BluezDBusClient {
  public:
   // Options used to register a GATT service hierarchy.
   struct CHROMEOS_EXPORT Options {
     // TODO(armansito): This parameter is not yet clearly defined. Add fields
     // later as we know more about how this will be used.
   };
 
   ~BluetoothGattManagerClient() override;
 
   // The ErrorCallback is used by GATT manager methods to indicate failure. It
@@ skipping 30 matching lines @@
   // Constants used to indicate exceptional error conditions.
   static const char kNoResponseError[];
 
  protected:
   BluetoothGattManagerClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothGattManagerClient);
 };
 
-}  // namespace chromeos
+}  // namespace bluez
 
-#endif // CHROMEOS_DBUS_BLUETOOTH_GATT_MANAGER_CLIENT_H_
+#endif  // DEVICE_BLUETOOTH_DBUS_BLUETOOTH_GATT_MANAGER_CLIENT_H_