Using WireMessage instead of FakeWireMessage.

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 127 matching lines @@
     PA_LOG(INFO) << "Connecting to paired device " << device->GetAddress()
                  << " with service (" << HasService(device)
                  << ") or is whitelisted ("
                  << device_whitelist_->HasDeviceWithAddress(
                         device->GetAddress()) << ")";
 
     connection_ = CreateConnection(device->GetAddress());
     connection_->AddObserver(this);
     connection_->Connect();
 
-    adapter_->RemoveObserver(this);
     StopDiscoverySession();
   }
 }
 
 void BluetoothLowEnergyConnectionFinder::OnAdapterInitialized(
     scoped_refptr<BluetoothAdapter> adapter) {
   PA_LOG(INFO) << "Adapter ready";
 
   adapter_ = adapter;
   adapter_->AddObserver(this);
@@ skipping 151 matching lines @@
   // (see crbug.com/497841).
   std::vector<BluetoothDevice*> devices = adapter_->GetDevices();
   for (const auto& device : devices) {
     if (device->GetAddress() == device_address)
       return device;
   }
   return nullptr;
 }
 
 }  // namespace proximity_auth