Require explicit selection of traits for LazyInstance

extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_connection.cc

 // 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.
 
 #include "extensions/browser/api/bluetooth_low_energy/bluetooth_low_energy_connection.h"
 
 #include "base/lazy_instance.h"
 
 namespace extensions {
 
 static base::LazyInstance<BrowserContextKeyedAPIFactory<
-    ApiResourceManager<BluetoothLowEnergyConnection>>>
+    ApiResourceManager<BluetoothLowEnergyConnection>>>::DestructorAtExit
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 template <>
 BrowserContextKeyedAPIFactory<ApiResourceManager<BluetoothLowEnergyConnection>>*
 ApiResourceManager<BluetoothLowEnergyConnection>::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 BluetoothLowEnergyConnection::BluetoothLowEnergyConnection(
     bool persistent,
     const std::string& owner_extension_id,
     std::unique_ptr<device::BluetoothGattConnection> connection)
     : ApiResource(owner_extension_id),
       persistent_(persistent),
       connection_(connection.release()) {}
 
 BluetoothLowEnergyConnection::~BluetoothLowEnergyConnection() {}
 
 device::BluetoothGattConnection* BluetoothLowEnergyConnection::GetConnection()
     const {
   return connection_.get();
 }
 
 bool BluetoothLowEnergyConnection::IsPersistent() const {
   return persistent_;
 }
 
 }  // namespace extensions