Require explicit selection of traits for LazyInstance

ui/accessibility/platform/ax_platform_node.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 "ui/accessibility/platform/ax_platform_node.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/lazy_instance.h"
 #include "build/build_config.h"
 #include "ui/accessibility/ax_node_data.h"
 #include "ui/accessibility/platform/ax_platform_node_delegate.h"
 
 namespace ui {
 
 namespace {
 
 using UniqueIdMap = base::hash_map<int32_t, AXPlatformNode*>;
 // Map from each AXPlatformNode's unique id to its instance.
-base::LazyInstance<UniqueIdMap> g_unique_id_map =
+base::LazyInstance<UniqueIdMap>::DestructorAtExit g_unique_id_map =
     LAZY_INSTANCE_INITIALIZER;
-
 }
 
 #if !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL)
 // static
 AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) {
   return nullptr;
 }
 #endif  // !defined(PLATFORM_HAS_AX_PLATFORM_NODE_IMPL)
 
 #if !defined(OS_WIN)
@@ skipping 36 matching lines @@
 AXPlatformNode* AXPlatformNode::GetFromUniqueId(int32_t unique_id) {
   UniqueIdMap* unique_ids = g_unique_id_map.Pointer();
   auto iter = unique_ids->find(unique_id);
   if (iter != unique_ids->end())
     return iter->second;
 
   return nullptr;
 }
 
 }  // namespace ui