Require explicit selection of traits for LazyInstance

chrome/browser/printing/print_view_manager.cc

Index: chrome/browser/printing/print_view_manager.cc
diff --git a/chrome/browser/printing/print_view_manager.cc b/chrome/browser/printing/print_view_manager.cc
index ea49f9b888e4f33ba9966739c1c0e1585eada2b8..5f6053ac10928b90dfcb03fdfbddbd233abae843 100644
--- a/chrome/browser/printing/print_view_manager.cc
+++ b/chrome/browser/printing/print_view_manager.cc
@@ -31,8 +31,9 @@ namespace {
 
 // Keeps track of pending scripted print preview closures.
 // No locking, only access on the UI thread.
-base::LazyInstance<std::map<content::RenderProcessHost*, base::Closure>>
-    g_scripted_print_preview_closure_map = LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<std::map<content::RenderProcessHost*, base::Closure>>::
+    DestructorAtExit g_scripted_print_preview_closure_map =
+        LAZY_INSTANCE_INITIALIZER;
 
 void EnableInternalPDFPluginForContents(int render_process_id,
                                         int render_frame_id) {