[Clean up] Expose ConnectToServiceInsecurely as a BluetoothDevice API on all platforms.

components/proximity_auth/bluetooth_util.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 COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_UTIL_H
 #define COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_UTIL_H
 
 #include <string>
 
 #include "base/callback_forward.h"
-#include "device/bluetooth/bluetooth_device.h"
 
-namespace device {
-class BluetoothUUID;
+namespace base {
+class TaskRunner;
 }
 
 namespace proximity_auth {
 namespace bluetooth_util {
 
 typedef base::Callback<void(const std::string& error_message)> ErrorCallback;
 
 // Connects to the SDP service on the Bluetooth device with the given
 // |device_address|, if possible. Calls the |callback| on success, or the
 // |error_callback| with an error message on failure. Because this can be an
 // expensive operation, the work will be run on the provided |task_runner|,
 // which should correspond to a background thread.
 void SeekDeviceByAddress(const std::string& device_address,
                          const base::Closure& callback,
                          const ErrorCallback& error_callback,
                          base::TaskRunner* task_runner);
 
-void ConnectToServiceInsecurely(
-    device::BluetoothDevice* device,
-    const device::BluetoothUUID& uuid,
-    const device::BluetoothDevice::ConnectToServiceCallback& callback,
-    const device::BluetoothDevice::ConnectToServiceErrorCallback&
-        error_callback);
-
 }  // namespace bluetooth_util
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_UTIL_H