Require explicit selection of traits for LazyInstance

extensions/browser/api/bluetooth_socket/bluetooth_socket_event_dispatcher.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_socket/bluetooth_socket_event_dispatcher.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "device/bluetooth/bluetooth_device.h"
@@ skipping 42 matching lines @@
   }
 }
 
 }  // namespace
 
 namespace extensions {
 namespace api {
 
 using content::BrowserThread;
 
-static base::LazyInstance<
-    BrowserContextKeyedAPIFactory<BluetoothSocketEventDispatcher> > g_factory =
+static base::LazyInstance<BrowserContextKeyedAPIFactory<
+    BluetoothSocketEventDispatcher>>::DestructorAtExit g_factory =
     LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<BluetoothSocketEventDispatcher>*
 BluetoothSocketEventDispatcher::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 // static
 BluetoothSocketEventDispatcher* BluetoothSocketEventDispatcher::Get(
@@ skipping 293 matching lines @@
   if (!extensions::ExtensionsBrowserClient::Get()->IsValidContext(context))
     return;
 
   EventRouter* router = EventRouter::Get(context);
   if (router)
     router->DispatchEventToExtension(extension_id, std::move(event));
 }
 
 }  // namespace api
 }  // namespace extensions