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

chrome/browser/ui/ash/chrome_shell_delegate.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.cc b/chrome/browser/ui/ash/chrome_shell_delegate.cc
index 1bf5871a82c1f1391d2a1402daa0e2342528b4b6..1c8b8690c77d2cf80f45aa3c7f9e64fe3ebb6873 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.cc
@@ -55,9 +55,9 @@ bool ChromeShellDelegate::IsMultiProfilesEnabled() const {
   if (!chromeos::UserManager::IsInitialized())
     return false;
   size_t admitted_users_to_be_added =
-      chromeos::UserManager::Get()->GetUsersAdmittedForMultiProfile().size();
+      chromeos::GetUserManager()->GetUsersAdmittedForMultiProfile().size();
   size_t logged_in_users =
-      chromeos::UserManager::Get()->GetLoggedInUsers().size();
+      chromeos::GetUserManager()->GetLoggedInUsers().size();
   if (!logged_in_users) {
     // The shelf gets created on the login screen and as such we have to create
     // all multi profile items of the the system tray menu before the user logs
@@ -99,7 +99,7 @@ void ChromeShellDelegate::Exit() {
 
 content::BrowserContext* ChromeShellDelegate::GetActiveBrowserContext() {
 #if defined(OS_CHROMEOS)
-  DCHECK(chromeos::UserManager::Get()->GetLoggedInUsers().size());
+  DCHECK(chromeos::GetUserManager()->GetLoggedInUsers().size());
 #endif
   return ProfileManager::GetActiveUserProfile();
 }