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

chrome/browser/chromeos/login/ui/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/ui/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/ui/login_display_host_impl.cc b/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
index e453e88c64c94c718e7f27cecff22776715d935b..88052af43224b15944469fcd767be726b163ad54 100644
--- a/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
@@ -425,7 +425,7 @@ LoginDisplayHostImpl::~LoginDisplayHostImpl() {
 
   default_host_ = NULL;
   // TODO(tengs): This should be refactored. See crbug.com/314934.
-  if (UserManager::Get()->IsCurrentUserNew()) {
+  if (GetUserManager()->IsCurrentUserNew()) {
     // DriveOptInController will delete itself when finished.
     (new DriveFirstRunController(
         ProfileManager::GetActiveUserProfile()))->EnableOfflineMode();
@@ -585,7 +585,7 @@ void LoginDisplayHostImpl::StartUserAdding(
   SetOobeProgressBarVisible(oobe_progress_bar_visible_ = false);
   SetStatusAreaVisible(true);
   sign_in_controller_->Init(
-      chromeos::UserManager::Get()->GetUsersAdmittedForMultiProfile());
+      chromeos::GetUserManager()->GetUsersAdmittedForMultiProfile());
   CHECK(webui_login_display_);
   GetOobeUI()->ShowSigninScreen(LoginScreenContext(),
                                 webui_login_display_,
@@ -621,7 +621,7 @@ void LoginDisplayHostImpl::StartSignInScreen(
   }
 
   DVLOG(1) << "Starting sign in screen";
-  const chromeos::UserList& users = chromeos::UserManager::Get()->GetUsers();
+  const chromeos::UserList& users = chromeos::GetUserManager()->GetUsers();
 
   // Fix for users who updated device and thus never passed register screen.
   // If we already have users, we assume that it is not a second part of
@@ -793,7 +793,7 @@ void LoginDisplayHostImpl::Observe(
                       chrome::NOTIFICATION_BROWSER_OPENED,
                       content::NotificationService::AllSources());
   } else if (type == chrome::NOTIFICATION_LOGIN_USER_CHANGED &&
-             chromeos::UserManager::Get()->IsCurrentUserNew()) {
+             chromeos::GetUserManager()->IsCurrentUserNew()) {
     // For new user, move desktop to locker container so that windows created
     // during the user image picker step are below it.
     ash::Shell::GetInstance()->