Require explicit selection of traits for LazyInstance

chrome/browser/first_run/first_run.cc

Index: chrome/browser/first_run/first_run.cc
diff --git a/chrome/browser/first_run/first_run.cc b/chrome/browser/first_run/first_run.cc
index 522b4d7b945d662c8e40fbbb178b54a45075a050..06cbc5cbf9a257430ca04184944cdf14bb875dbc 100644
--- a/chrome/browser/first_run/first_run.cc
+++ b/chrome/browser/first_run/first_run.cc
@@ -439,8 +439,8 @@ void FirstRunBubbleLauncher::Observe(
   delete this;
 }
 
-static base::LazyInstance<base::FilePath> master_prefs_path_for_testing
-    = LAZY_INSTANCE_INITIALIZER;
+static base::LazyInstance<base::FilePath>::DestructorAtExit
+    master_prefs_path_for_testing = LAZY_INSTANCE_INITIALIZER;
 
 // Loads master preferences from the master preference file into the installer
 // master preferences. Returns the pointer to installer::MasterPreferences