Implements the feature notification for Quick Unlock

chrome/browser/chromeos/login/lock/screen_locker.cc

 // Copyright 2014 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/chromeos/login/lock/screen_locker.h"
 
 #include <string>
 #include <vector>
 
 #include "ash/audio/sounds.h"
@@ skipping 237 matching lines @@
       base::TimeDelta::FromMilliseconds(kUnlockGuardTimeoutMs));
   delegate_->AnimateAuthenticationSuccess();
 }
 
 void ScreenLocker::OnPasswordAuthSuccess(const UserContext& user_context) {
   // The user has signed in using their password, so reset the PIN timeout.
   PinStorage* pin_storage =
       PinStorageFactory::GetForAccountId(user_context.GetAccountId());
   if (pin_storage)
     pin_storage->MarkStrongAuth();
+  if (quickunlock::FeatureNotificationController::
+          ShouldShowNotificationForAccountId(user_context.GetAccountId())) {
+    qu_feature_notification_controller_ =
+        new quickunlock::FeatureNotificationController(
+            user_context.GetAccountId());
+  }
 }
 
 void ScreenLocker::UnlockOnLoginSuccess() {
   DCHECK(base::MessageLoopForUI::IsCurrent());
   if (!authentication_capture_.get()) {
     LOG(WARNING) << "Call to UnlockOnLoginSuccess without previous " <<
       "authentication success.";
     return;
   }
 
@@ skipping 269 matching lines @@
 
 bool ScreenLocker::IsUserLoggedIn(const AccountId& account_id) const {
   for (user_manager::User* user : users_) {
     if (user->GetAccountId() == account_id)
       return true;
   }
   return false;
 }
 
 }  // namespace chromeos