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

chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc

Index: chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
diff --git a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
index 2443565a5a9786a5f05384e829003b2b5b4b86da..000839451a569934ca64312a3c5b5f3dbf1de43a 100644
--- a/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
+++ b/chrome/browser/ui/ash/launcher/chrome_launcher_controller.cc
@@ -233,7 +233,7 @@ class ChromeLauncherControllerUserSwitchObserverChromeOS
       ChromeLauncherController* controller)
       : controller_(controller) {
     DCHECK(chromeos::UserManager::IsInitialized());
-    chromeos::UserManager::Get()->AddSessionStateObserver(this);
+    chromeos::GetUserManager()->AddSessionStateObserver(this);
     // A UserAddedToSession notification can be sent before a profile is loaded.
     // Since our observers require that we have already a profile, we might have
     // to postpone the notification until the ProfileManager lets us know that
@@ -242,7 +242,7 @@ class ChromeLauncherControllerUserSwitchObserverChromeOS
                    content::NotificationService::AllSources());
   }
   virtual ~ChromeLauncherControllerUserSwitchObserverChromeOS() {
-    chromeos::UserManager::Get()->RemoveSessionStateObserver(this);
+    chromeos::GetUserManager()->RemoveSessionStateObserver(this);
   }
 
   // chromeos::UserManager::UserSessionStateObserver overrides: