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

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc

Index: chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
index 851b261f14849bf2fbeeb04d420f72f02e6ca2f5..c8c3d91e6f33e09b282d9ec3d62f34a46ab67662 100644
--- a/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
+++ b/chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc
@@ -873,7 +873,7 @@ void SigninScreenHandler::ShowUserPodCustomIcon(
 
   // TODO(tengs): Move this code once we move unlocking to native code.
   if (ScreenLocker::default_screen_locker()) {
-    UserManager* user_manager = UserManager::Get();
+    UserManager* user_manager = GetUserManager();
     const User* user = user_manager->FindUser(username);
     if (!user)
       return;
@@ -927,7 +927,7 @@ bool SigninScreenHandler::ShouldLoadGaia() const {
 
 // Update keyboard layout to least recently used by the user.
 void SigninScreenHandler::SetUserInputMethod(const std::string& username) {
-  UserManager* user_manager = UserManager::Get();
+  UserManager* user_manager = GetUserManager();
   if (user_manager->IsUserLoggedIn()) {
     // We are on sign-in screen inside user session (adding new user to
     // the session or on lock screen), don't switch input methods in this case.
@@ -1010,7 +1010,7 @@ void SigninScreenHandler::HandleLaunchIncognito() {
 }
 
 void SigninScreenHandler::HandleShowLocallyManagedUserCreationScreen() {
-  if (!UserManager::Get()->AreLocallyManagedUsersAllowed()) {
+  if (!GetUserManager()->AreLocallyManagedUsersAllowed()) {
     LOG(ERROR) << "Managed users not allowed.";
     return;
   }
@@ -1231,7 +1231,7 @@ void SigninScreenHandler::HandleLoginUIStateChanged(const std::string& source,
 }
 
 void SigninScreenHandler::HandleUnlockOnLoginSuccess() {
-  DCHECK(UserManager::Get()->IsUserLoggedIn());
+  DCHECK(GetUserManager()->IsUserLoggedIn());
   if (ScreenLocker::default_screen_locker())
     ScreenLocker::default_screen_locker()->UnlockOnLoginSuccess();
 }
@@ -1275,7 +1275,7 @@ bool SigninScreenHandler::AllWhitelistedUsersPresent() {
   cros_settings->GetBoolean(kAccountsPrefAllowNewUser, &allow_new_user);
   if (allow_new_user)
     return false;
-  UserManager* user_manager = UserManager::Get();
+  UserManager* user_manager = GetUserManager();
   const UserList& users = user_manager->GetUsers();
   if (!delegate_ || users.size() > kMaxUsers) {
     return false;