Require explicit selection of traits for LazyInstance

extensions/browser/api/system_storage/storage_info_provider.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 "extensions/browser/api/system_storage/storage_info_provider.h"
 
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/threading/sequenced_worker_pool.h"
@@ skipping 20 matching lines @@
   // TODO(hmin): Might need to take MTP device into consideration.
   unit->type = StorageInfo::IsRemovableDevice(info.device_id())
                    ? STORAGE_UNIT_TYPE_REMOVABLE
                    : STORAGE_UNIT_TYPE_FIXED;
   unit->capacity = static_cast<double>(info.total_size_in_bytes());
 }
 
 }  // namespace systeminfo
 
 // Static member intialization.
-base::LazyInstance<scoped_refptr<StorageInfoProvider> >
+base::LazyInstance<scoped_refptr<StorageInfoProvider>>::DestructorAtExit
     StorageInfoProvider::provider_ = LAZY_INSTANCE_INITIALIZER;
 
 StorageInfoProvider::StorageInfoProvider() {
 }
 
 StorageInfoProvider::~StorageInfoProvider() {
 }
 
 void StorageInfoProvider::InitializeForTesting(
     scoped_refptr<StorageInfoProvider> provider) {
@@ skipping 58 matching lines @@
 }
 
 // static
 StorageInfoProvider* StorageInfoProvider::Get() {
   if (provider_.Get().get() == NULL)
     provider_.Get() = new StorageInfoProvider();
   return provider_.Get().get();
 }
 
 }  // namespace extensions