Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

chrome/browser/chromeos/first_run/first_run.cc

Index: chrome/browser/chromeos/first_run/first_run.cc
diff --git a/chrome/browser/chromeos/first_run/first_run.cc b/chrome/browser/chromeos/first_run/first_run.cc
index f35d0d125da7a84a79bd54b15731c724d5de130e..7fdd613b22056d79c5af830a83ffb5343c8d4718 100644
--- a/chrome/browser/chromeos/first_run/first_run.cc
+++ b/chrome/browser/chromeos/first_run/first_run.cc
@@ -67,7 +67,7 @@ class DialogLauncher : public content::NotificationObserver {
     bool launched_in_test = command_line->HasSwitch(::switches::kTestType);
     bool launched_in_telemetry =
         command_line->HasSwitch(switches::kOobeSkipPostLogin);
-    bool is_user_new = chromeos::UserManager::Get()->IsCurrentUserNew();
+    bool is_user_new = chromeos::GetUserManager()->IsCurrentUserNew();
     bool first_run_forced = command_line->HasSwitch(switches::kForceFirstRunUI);
     bool first_run_seen =
         profile_->GetPrefs()->GetBoolean(prefs::kFirstRunTutorialShown);
@@ -96,7 +96,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
 }
 
 void MaybeLaunchDialogAfterSessionStart() {
-  UserManager* user_manager = UserManager::Get();
+  UserManager* user_manager = GetUserManager();
   new DialogLauncher(
       ProfileHelper::Get()->GetProfileByUser(user_manager->GetActiveUser()));
 }