chromeos: Replace user image notifications with observer

components/user_manager/user_manager_base.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 "components/user_manager/user_manager_base.h"
 
 #include <stddef.h>
 #include <set>
 #include <utility>
 
@@ skipping 651 matching lines @@
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   session_state_observer_list_.RemoveObserver(obs);
 }
 
 void UserManagerBase::NotifyLocalStateChanged() {
   DCHECK(task_runner_->RunsTasksOnCurrentThread());
   for (auto& observer : observer_list_)
     observer.LocalStateChanged(this);
 }
 
+void UserManagerBase::NotifyUserImageChanged(const User& user) {
+  DCHECK(task_runner_->RunsTasksOnCurrentThread());
+  for (auto& observer : observer_list_)
+    observer.OnUserImageChanged(user);
+}
+
+void UserManagerBase::NotifyUserProfileImageUpdateFailed(const User& user) {
+  DCHECK(task_runner_->RunsTasksOnCurrentThread());
+  for (auto& observer : observer_list_)
+    observer.OnUserProfileImageUpdateFailed(user);
+}
+
+void UserManagerBase::NotifyUserProfileImageUpdated(
+    const User& user,
+    const gfx::ImageSkia& profile_image) {
+  DCHECK(task_runner_->RunsTasksOnCurrentThread());
+  for (auto& observer : observer_list_)
+    observer.OnUserProfileImageUpdated(user, profile_image);
+}
+
 bool UserManagerBase::CanUserBeRemoved(const User* user) const {
   // Only regular and supervised users are allowed to be manually removed.
   if (!user || !(user->HasGaiaAccount() || user->IsSupervised()))
     return false;
 
   // Sanity check: we must not remove single user unless it's an enterprise
   // device. This check may seem redundant at a first sight because
   // this single user must be an owner and we perform special check later
   // in order not to remove an owner. However due to non-instant nature of
   // ownership assignment this later check may sometimes fail.
@@ skipping 379 matching lines @@
 }
 
 void UserManagerBase::DeleteUser(User* user) {
   const bool is_active_user = (user == active_user_);
   delete user;
   if (is_active_user)
     active_user_ = nullptr;
 }
 
 }  // namespace user_manager