Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/login/ui/login_display_host_impl.cc

Index: chrome/browser/chromeos/login/ui/login_display_host_impl.cc
diff --git a/chrome/browser/chromeos/login/ui/login_display_host_impl.cc b/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
index 94fa12b7f33bea82fe9fcecb2e46501a7fc8df57..908c9d08f47c1bf9ba21b531426bedea6b6152d3 100644
--- a/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
+++ b/chrome/browser/chromeos/login/ui/login_display_host_impl.cc
@@ -205,7 +205,7 @@ struct ShowLoginWizardSwitchLanguageCallbackData {
 };
 
 void OnLanguageSwitchedCallback(
-    scoped_ptr<ShowLoginWizardSwitchLanguageCallbackData> self,
+    std::unique_ptr<ShowLoginWizardSwitchLanguageCallbackData> self,
     const chromeos::locale_util::LanguageSwitchResult& result) {
   if (!result.success)
     LOG(WARNING) << "Locale could not be found for '" << result.requested_locale
@@ -1258,7 +1258,7 @@ void ShowLoginWizard(const std::string& first_screen_name) {
   prefs->SetString(prefs::kApplicationLocale, locale);
   StartupUtils::SetInitialLocale(locale);
 
-  scoped_ptr<ShowLoginWizardSwitchLanguageCallbackData> data(
+  std::unique_ptr<ShowLoginWizardSwitchLanguageCallbackData> data(
       new ShowLoginWizardSwitchLanguageCallbackData(
           first_screen_name, startup_manifest, display_host));