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

chrome/browser/ui/webui/help/version_updater_chromeos.cc

Index: chrome/browser/ui/webui/help/version_updater_chromeos.cc
diff --git a/chrome/browser/ui/webui/help/version_updater_chromeos.cc b/chrome/browser/ui/webui/help/version_updater_chromeos.cc
index e6c2f2afe8fa893afd418ce55719ccaf8c843c4f..e289c1533155c3109b3ba672c94a690259dc01aa 100644
--- a/chrome/browser/ui/webui/help/version_updater_chromeos.cc
+++ b/chrome/browser/ui/webui/help/version_updater_chromeos.cc
@@ -28,7 +28,6 @@
 using chromeos::CrosSettings;
 using chromeos::DBusThreadManager;
 using chromeos::UpdateEngineClient;
-using chromeos::UserManager;
 using chromeos::WizardController;
 
 namespace {
@@ -128,7 +127,7 @@ void VersionUpdaterCros::RelaunchBrowser() const {
 
 void VersionUpdaterCros::SetChannel(const std::string& channel,
                                     bool is_powerwash_allowed) {
-  if (UserManager::Get()->IsCurrentUserOwner()) {
+  if (chromeos::GetUserManager()->IsCurrentUserOwner()) {
     // For local owner set the field in the policy blob.
     CrosSettings::Get()->SetString(chromeos::kReleaseChannel, channel);
   }