[EasyUnlock] Add a private API for establishing an insecure Bluetooth connection.

device/bluetooth/bluetooth_socket_chromeos.cc

 // Copyright 2013 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.
 
 #include "device/bluetooth/bluetooth_socket_chromeos.h"
 
 #include <queue>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
 
   if (adapter_.get()) {
     adapter_->RemoveObserver(this);
     adapter_ = NULL;
   }
 }
 
 void BluetoothSocketChromeOS::Connect(
     const BluetoothDeviceChromeOS* device,
     const BluetoothUUID& uuid,
+    SecurityLevel security_level,
     const base::Closure& success_callback,
     const ErrorCompletionCallback& error_callback) {
   DCHECK(ui_task_runner()->RunsTasksOnCurrentThread());
   DCHECK(object_path_.value().empty());
   DCHECK(!profile_.get());
 
   if (!uuid.IsValid()) {
     error_callback.Run(kInvalidUUID);
     return;
   }
 
   device_address_ = device->GetAddress();
   device_path_ = device->object_path();
   uuid_ = uuid;
   options_.reset(new BluetoothProfileManagerClient::Options());
+  if (security_level == SECURITY_LEVEL_LOW)
+    options_->require_authentication.reset(new bool(false));
 
   RegisterProfile(success_callback, error_callback);
 }
 
 void BluetoothSocketChromeOS::Listen(
     scoped_refptr<BluetoothAdapter> adapter,
     SocketType socket_type,
     const BluetoothUUID& uuid,
     const BluetoothAdapter::ServiceOptions& service_options,
     const base::Closure& success_callback,
@@ skipping 461 matching lines @@
   // It's okay if the profile doesn't exist, it means we haven't registered it
   // yet.
   if (error_name == bluetooth_profile_manager::kErrorDoesNotExist)
     return;
 
   LOG(WARNING) << object_path_.value() << ": Failed to unregister profile: "
                << error_name << ": " << error_message;
 }
 
 }  // namespace chromeos