Require explicit selection of traits for LazyInstance

content/browser/accessibility/browser_accessibility_manager.cc

Index: content/browser/accessibility/browser_accessibility_manager.cc
diff --git a/content/browser/accessibility/browser_accessibility_manager.cc b/content/browser/accessibility/browser_accessibility_manager.cc
index 971e831c6d2c781ec7de017b0d0c7c024e4f3f54..144d5c13dac47d18ad6a6b8c312bb0adfcc8e21b 100644
--- a/content/browser/accessibility/browser_accessibility_manager.cc
+++ b/content/browser/accessibility/browser_accessibility_manager.cc
@@ -42,11 +42,12 @@ BrowserAccessibility* FindNodeWithChildTreeId(BrowserAccessibility* node,
 // Map from AXTreeID to BrowserAccessibilityManager
 using AXTreeIDMap = base::hash_map<ui::AXTreeIDRegistry::AXTreeID,
                                    BrowserAccessibilityManager*>;
-base::LazyInstance<AXTreeIDMap> g_ax_tree_id_map = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<AXTreeIDMap>::DestructorAtExit g_ax_tree_id_map =
+    LAZY_INSTANCE_INITIALIZER;
 
 // A function to call when focus changes, for testing only.
-base::LazyInstance<base::Closure> g_focus_change_callback_for_testing =
-    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<base::Closure>::DestructorAtExit
+    g_focus_change_callback_for_testing = LAZY_INSTANCE_INITIALIZER;
 
 ui::AXTreeUpdate MakeAXTreeUpdate(
     const ui::AXNodeData& node1,