Clean up LoginUIService. Remove Singleton behavior from PeopleHandler

chrome/browser/ui/sync/one_click_signin_sync_starter.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/sync/one_click_signin_sync_starter.h"
 
 #include <stddef.h>
 
 #include "base/metrics/histogram.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 340 matching lines @@
   SigninManager* signin = SigninManagerFactory::GetForProfile(profile_);
   if (confirmation_required_ == CONFIRM_UNTRUSTED_SIGNIN) {
     browser_ = EnsureBrowser(browser_, profile_);
     content::RecordAction(
         base::UserMetricsAction("Signin_Show_UntrustedSigninPrompt"));
     // Display a confirmation dialog to the user.
     browser_->window()->ShowOneClickSigninConfirmation(
         base::UTF8ToUTF16(signin->GetUsernameForAuthInProgress()),
         base::Bind(&OneClickSigninSyncStarter::UntrustedSigninConfirmed,
                    weak_pointer_factory_.GetWeakPtr()));
-    LoginUIServiceFactory::GetForProfile(profile_)->UntrustedLoginUIShown();
   } else {
     // No confirmation required - just sign in the user.
     signin->CompletePendingSignin();
   }
 }
 
 void OneClickSigninSyncStarter::UntrustedSigninConfirmed(
     StartSyncMode response) {
   if (response == UNDO_SYNC) {
     content::RecordAction(base::UserMetricsAction("Signin_Undo_Signin"));
@@ skipping 271 matching lines @@
                                             false /* user_gesture */);
 }
 
 void OneClickSigninSyncStarter::LoadContinueUrl() {
   web_contents()->GetController().LoadURL(
       continue_url_,
       content::Referrer(),
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
       std::string());
 }