Adding unit tests for BLE connection.

components/proximity_auth/ble/bluetooth_low_energy_connection_finder.cc

 // Copyright 2015 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 "components/proximity_auth/ble/bluetooth_low_energy_connection_finder.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 205 matching lines @@
     CloseGattConnection(gatt_connection.Pass());
     return;
   }
 
   VLOG(1) << "Connection created";
   connected_ = true;
   pending_connections_.clear();
 
   connection_ = CreateConnection(gatt_connection.Pass());
   connection_->AddObserver(this);
+  connection_->Connect();
 
   StopDiscoverySession();
 }
 
 void BluetoothLowEnergyConnectionFinder::CreateGattConnection(
     device::BluetoothDevice* remote_device) {
   VLOG(1) << "SmartLock service found ("
           << remote_service_uuid_.canonical_value() << ")\n"
           << "device = " << remote_device->GetAddress()
           << ", name = " << remote_device->GetName();
@@ skipping 36 matching lines @@
   DCHECK_EQ(connection, connection_.get());
 
   if (!connection_callback_.is_null() && connection_->IsConnected()) {
     connection_->RemoveObserver(this);
     connection_callback_.Run(connection_.Pass());
     connection_callback_.Reset();
   }
 }
 
 }  // namespace proximity_auth