Adding number of users to crash record

chrome/browser/chromeos/login/user_manager_impl.cc

 // Copyright (c) 2013 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/user_manager_impl.h"
 
 #include <cstddef>
 #include <set>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
+#include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/rand_util.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
@@ skipping 17 matching lines @@
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/chromeos/session_length_limiter.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/crash_keys.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/cryptohome/async_method_caller.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/login/login_state.h"
 #include "chromeos/settings/cros_settings_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "google_apis/gaia/google_service_auth_error.h"
@@ skipping 124 matching lines @@
       session_started_(false),
       user_sessions_restored_(false),
       is_current_user_owner_(false),
       is_current_user_new_(false),
       is_current_user_ephemeral_regular_user_(false),
       ephemeral_users_enabled_(false),
       supervised_user_manager_(new SupervisedUserManagerImpl(this)),
       manager_creation_time_(base::TimeTicks::Now()),
       multi_profile_first_run_notification_(
           new MultiProfileFirstRunNotification) {
+  UpdateNumberOfUsers();
   // UserManager instance should be used only on UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   registrar_.Add(this, chrome::NOTIFICATION_OWNERSHIP_STATUS_CHANGED,
       content::NotificationService::AllSources());
   registrar_.Add(this, chrome::NOTIFICATION_LOGIN_USER_PROFILE_PREPARED,
       content::NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_PROFILE_CREATED,
                  content::NotificationService::AllSources());
   RetrieveTrustedDevicePolicies();
@@ skipping 1164 matching lines @@
   is_current_user_new_ = true;
   active_user_ = User::CreateRetailModeUser();
   GetUserImageManager(UserManager::kRetailModeUserName)->UserLoggedIn(
       is_current_user_new_,
       true);
   WallpaperManager::Get()->SetInitialUserWallpaper(
       UserManager::kRetailModeUserName, false);
 }
 
 void UserManagerImpl::NotifyOnLogin() {
+  UpdateNumberOfUsers();
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   NotifyActiveUserHashChanged(active_user_->username_hash());
   NotifyActiveUserChanged(active_user_);
 
   UpdateLoginState();
   // TODO(nkostylev): Deprecate this notification in favor of
   // ActiveUserChanged() observer call.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_LOGIN_USER_CHANGED,
       content::Source<UserManager>(this),
@@ skipping 300 matching lines @@
 }
 
 void UserManagerImpl::NotifyActiveUserChanged(const User* active_user) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FOR_EACH_OBSERVER(UserManager::UserSessionStateObserver,
                     session_state_observer_list_,
                     ActiveUserChanged(active_user));
 }
 
 void UserManagerImpl::NotifyUserAddedToSession(const User* added_user) {
+  UpdateNumberOfUsers();
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FOR_EACH_OBSERVER(UserManager::UserSessionStateObserver,
                     session_state_observer_list_,
                     UserAddedToSession(added_user));
 }
 
 void UserManagerImpl::NotifyActiveUserHashChanged(const std::string& hash) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   FOR_EACH_OBSERVER(UserManager::UserSessionStateObserver,
                     session_state_observer_list_,
@@ skipping 152 matching lines @@
   }
 }
 
 void UserManagerImpl::DoUpdateAccountLocale(
     const std::string& user_id,
     const std::string& resolved_locale) {
   if (User* user = FindUserAndModify(user_id))
     user->SetAccountLocale(resolved_locale);
 }
 
+void UserManagerImpl::UpdateNumberOfUsers() {
+  base::debug::SetCrashKeyValue(crash_keys::kNumberOfUsers,
+      base::StringPrintf("%" PRIuS, GetLoggedInUsers().size()));
+}
 
 }  // namespace chromeos