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

chrome/browser/chromeos/login/lock/screen_locker.cc

Index: chrome/browser/chromeos/login/lock/screen_locker.cc
diff --git a/chrome/browser/chromeos/login/lock/screen_locker.cc b/chrome/browser/chromeos/login/lock/screen_locker.cc
index fdcc514647b652267ed7b1ada1aeace0d121b3c9..5e776cf3b48bea30104f8a2d77d5a633e8dacc9a 100644
--- a/chrome/browser/chromeos/login/lock/screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/screen_locker.cc
@@ -202,10 +202,10 @@ void ScreenLocker::OnLoginSuccess(const UserContext& user_context) {
     UMA_HISTOGRAM_TIMES("ScreenLocker.AuthenticationSuccessTime", delta);
   }
 
-  const User* user = UserManager::Get()->FindUser(user_context.GetUserID());
+  const User* user = GetUserManager()->FindUser(user_context.GetUserID());
   if (user) {
     if (!user->is_active())
-      UserManager::Get()->SwitchActiveUser(user_context.GetUserID());
+      GetUserManager()->SwitchActiveUser(user_context.GetUserID());
   } else {
     NOTREACHED() << "Logged in user not found.";
   }
@@ -253,7 +253,7 @@ void ScreenLocker::Authenticate(const UserContext& user_context) {
   // Special case: supervised users. Use special authenticator.
   if (const User* user = FindUnlockUser(user_context.GetUserID())) {
     if (user->GetType() == user_manager::USER_TYPE_LOCALLY_MANAGED) {
-      UserContext updated_context = UserManager::Get()
+      UserContext updated_context = GetUserManager()
                                         ->GetSupervisedUserManager()
                                         ->GetAuthentication()
                                         ->TransformKey(user_context);
@@ -345,7 +345,7 @@ void ScreenLocker::HandleLockScreenRequest() {
     return;
   }
   if (g_screen_lock_observer->session_started() &&
-      UserManager::Get()->CanCurrentUserLock()) {
+      GetUserManager()->CanCurrentUserLock()) {
     ScreenLocker::Show();
     ash::Shell::GetInstance()->lock_state_controller()->OnStartingLock();
   } else {
@@ -367,8 +367,8 @@ void ScreenLocker::Show() {
   // Check whether the currently logged in user is a guest account and if so,
   // refuse to lock the screen (crosbug.com/23764).
   // For a demo user, we should never show the lock screen (crosbug.com/27647).
-  if (UserManager::Get()->IsLoggedInAsGuest() ||
-      UserManager::Get()->IsLoggedInAsDemoUser()) {
+  if (GetUserManager()->IsLoggedInAsGuest() ||
+      GetUserManager()->IsLoggedInAsDemoUser()) {
     VLOG(1) << "Refusing to lock screen for guest/demo account";
     return;
   }
@@ -386,8 +386,7 @@ void ScreenLocker::Show() {
   }
 
   if (!screen_locker_) {
-    ScreenLocker* locker =
-        new ScreenLocker(UserManager::Get()->GetUnlockUsers());
+    ScreenLocker* locker = new ScreenLocker(GetUserManager()->GetUnlockUsers());
     VLOG(1) << "Created ScreenLocker " << locker;
     locker->Init();
   } else {
@@ -402,8 +401,8 @@ void ScreenLocker::Show() {
 void ScreenLocker::Hide() {
   DCHECK(base::MessageLoopForUI::IsCurrent());
   // For a guest/demo user, screen_locker_ would have never been initialized.
-  if (UserManager::Get()->IsLoggedInAsGuest() ||
-      UserManager::Get()->IsLoggedInAsDemoUser()) {
+  if (GetUserManager()->IsLoggedInAsGuest() ||
+      GetUserManager()->IsLoggedInAsDemoUser()) {
     VLOG(1) << "Refusing to hide lock screen for guest/demo account";
     return;
   }