Require explicit selection of traits for LazyInstance

components/os_crypt/key_storage_linux.cc

 // Copyright 2016 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/os_crypt/key_storage_linux.h"
 
 #include "base/environment.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/nix/xdg_util.h"
@@ skipping 21 matching lines @@
 namespace {
 
 // Parameters to OSCrypt, which are set before the first call to OSCrypt, are
 // stored here.
 struct Configuration {
   std::string store;
   std::string product_name;
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_runner;
 };
 
-base::LazyInstance<Configuration> g_config = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<Configuration>::DestructorAtExit g_config =
+    LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace
 
 // static
 void KeyStorageLinux::SetStore(const std::string& store_type) {
   g_config.Get().store = store_type;
   VLOG(1) << "OSCrypt store set to " << store_type;
 }
 
 // static
@@ skipping 59 matching lines @@
     }
   }
 #endif  // defined(USE_KWALLET)
 #endif  // defined(USE_LIBSECRET) || defined(USE_KEYRING) ||
         // defined(USE_KWALLET)
 
   // The appropriate store was not available.
   VLOG(1) << "OSCrypt could not initialize a backend.";
   return nullptr;
 }