UMA to track the reason for re-auth (draft).

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.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/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "ash/shell.h"
@@ skipping 14 matching lines @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part_chromeos.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_manager.h"
 #include "chrome/browser/chromeos/chromeos_utils.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/login/error_screens_histogram_helper.h"
 #include "chrome/browser/chromeos/login/hwid_checker.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
+#include "chrome/browser/chromeos/login/reauth_stats.h"
 #include "chrome/browser/chromeos/login/screens/core_oobe_actor.h"
 #include "chrome/browser/chromeos/login/screens/network_error.h"
 #include "chrome/browser/chromeos/login/startup_utils.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/browser/chromeos/login/ui/webui_login_display.h"
 #include "chrome/browser/chromeos/login/users/multi_profile_user_controller.h"
 #include "chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
@@ skipping 459 matching lines @@
               &SigninScreenHandler::HandleUpdateOfflineLogin);
   AddCallback("focusPod", &SigninScreenHandler::HandleFocusPod);
   AddCallback("getPublicSessionKeyboardLayouts",
               &SigninScreenHandler::HandleGetPublicSessionKeyboardLayouts);
   AddCallback("cancelConsumerManagementEnrollment",
               &SigninScreenHandler::HandleCancelConsumerManagementEnrollment);
   AddCallback("getTouchViewState",
               &SigninScreenHandler::HandleGetTouchViewState);
   AddCallback("logRemoveUserWarningShown",
               &SigninScreenHandler::HandleLogRemoveUserWarningShown);
+  AddCallback("firstIncorrectPasswordAttempt",
+              &SigninScreenHandler::HandleFirstIncorrectPasswordAttempt);
+  AddCallback("maxIncorrectPasswordAttempts",
+              &SigninScreenHandler::HandleMaxIncorrectPasswordAttempts);
 
   // This message is sent by the kiosk app menu, but is handled here
   // so we can tell the delegate to launch the app.
   AddCallback("launchKioskApp", &SigninScreenHandler::HandleLaunchKioskApp);
 }
 
 void SigninScreenHandler::Show(const LoginScreenContext& context) {
   CHECK(delegate_);
 
   // Just initialize internal fields from context and call ShowImpl().
@@ skipping 557 matching lines @@
 void SigninScreenHandler::HandleShowAddUser(const base::ListValue* args) {
   TRACE_EVENT_ASYNC_STEP_INTO0("ui",
                                "ShowLoginWebUI",
                                LoginDisplayHostImpl::kShowLoginWebUIid,
                                "ShowAddUser");
   std::string email;
   // |args| can be null if it's OOBE.
   if (args)
     args->GetString(0, &email);
   gaia_screen_handler_->PopulateEmail(email);
+  if (!email.empty())
+    SendReauthReason(email);
   OnShowAddUser();
 }
 
 void SigninScreenHandler::HandleToggleEnrollmentScreen() {
   if (delegate_)
     delegate_->ShowEnterpriseEnrollmentScreen();
 }
 
 void SigninScreenHandler::HandleToggleEnableDebuggingScreen() {
   if (delegate_)
@@ skipping 84 matching lines @@
         content::NotificationService::AllSources(),
         content::NotificationService::NoDetails());
     TRACE_EVENT_ASYNC_END0(
         "ui", "ShowLoginWebUI", LoginDisplayHostImpl::kShowLoginWebUIid);
   }
   webui_visible_ = true;
   if (preferences_changed_delayed_)
     OnPreferencesChanged();
 }
 
-void SigninScreenHandler::HandleCancelPasswordChangedFlow() {
+void SigninScreenHandler::HandleCancelPasswordChangedFlow(
+    const std::string& user_id) {
+  if (!user_id.empty())
+    RecordReauthReason(user_id, ReauthReason::PASSWORD_UPDATE_SKIPPED);
   gaia_screen_handler_->StartClearingCookies(
       base::Bind(&SigninScreenHandler::CancelPasswordChangedFlowInternal,
                  weak_factory_.GetWeakPtr()));
 }
 
 void SigninScreenHandler::HandleCancelUserAdding() {
   if (delegate_)
     delegate_->CancelUserAdding();
 }
 
@@ skipping 104 matching lines @@
     CallJS("login.AccountPickerScreen.setTouchViewState",
            max_mode_delegate_->IsMaximizeModeEnabled());
   }
 }
 
 void SigninScreenHandler::HandleLogRemoveUserWarningShown() {
   ProfileMetrics::LogProfileDeleteUser(
       ProfileMetrics::DELETE_PROFILE_USER_MANAGER_SHOW_WARNING);
 }
 
+void SigninScreenHandler::HandleFirstIncorrectPasswordAttempt(
+    const std::string& email) {
+  // TODO(ginkage): Fix this case once crbug.com/469987 is ready.
+  /*
+    if (user_manager::UserManager::Get()->FindUsingSAML(email))
+      RecordReauthReason(email, ReauthReason::INCORRECT_SAML_PASSWORD_ENTERED);
+  */
+}
+
+void SigninScreenHandler::HandleMaxIncorrectPasswordAttempts(
+    const std::string& email) {
+  RecordReauthReason(email, ReauthReason::INCORRECT_PASSWORD_ENTERED);
+}
+
 bool SigninScreenHandler::AllWhitelistedUsersPresent() {
   CrosSettings* cros_settings = CrosSettings::Get();
   bool allow_new_user = false;
   cros_settings->GetBoolean(kAccountsPrefAllowNewUser, &allow_new_user);
   if (allow_new_user)
     return false;
   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
   const user_manager::UserList& users = user_manager->GetUsers();
   if (!delegate_ || users.size() > kMaxUsers) {
     return false;
@@ skipping 77 matching lines @@
   return gaia_screen_handler_->frame_error();
 }
 
 void SigninScreenHandler::OnCapsLockChanged(bool enabled) {
   caps_lock_enabled_ = enabled;
   if (page_is_ready())
     CallJS("login.AccountPickerScreen.setCapsLockState", caps_lock_enabled_);
 }
 
 }  // namespace chromeos