Require explicit selection of traits for LazyInstance

chrome/browser/extensions/signin/gaia_auth_extension_loader.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 "chrome/browser/extensions/signin/gaia_auth_extension_loader.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 90 matching lines @@
     load_count_ = 0;
   }
 }
 
 // static
 GaiaAuthExtensionLoader* GaiaAuthExtensionLoader::Get(BrowserContext* context) {
   return BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader>::Get(context);
 }
 
 static base::LazyInstance<
-    BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader> > g_factory =
-    LAZY_INSTANCE_INITIALIZER;
+    BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader>>::DestructorAtExit
+    g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<GaiaAuthExtensionLoader>*
 GaiaAuthExtensionLoader::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 } // namespace extensions