Remove implicit conversions from scoped_refptr to T* in c/b/chromeos/login

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 05eef1eb1b2f410af545db3732ce91c50e984308..86a583721120dfda496b0360962002a8d92a226c 100644
--- a/chrome/browser/chromeos/login/lock/screen_locker.cc
+++ b/chrome/browser/chromeos/login/lock/screen_locker.cc
@@ -461,7 +461,7 @@ ScreenLocker::~ScreenLocker() {
   DBusThreadManager::Get()->GetSessionManagerClient()->
       NotifyLockScreenDismissed();
 
-  if (saved_ime_state_) {
+  if (saved_ime_state_.get()) {
     input_method::InputMethodManager::Get()->SetState(saved_ime_state_);
   }
 }