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

chrome/browser/chromeos/login/existing_user_controller.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/chromeos/login/existing_user_controller.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 10 matching lines @@
 #include "base/version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/boot_times_recorder.h"
 #include "chrome/browser/chromeos/customization/customization_document.h"
 #include "chrome/browser/chromeos/login/auth/chrome_login_performer.h"
 #include "chrome/browser/chromeos/login/easy_unlock/bootstrap_user_context_initializer.h"
 #include "chrome/browser/chromeos/login/easy_unlock/bootstrap_user_flow.h"
 #include "chrome/browser/chromeos/login/helper.h"
+#include "chrome/browser/chromeos/login/reauth_stats.h"
 #include "chrome/browser/chromeos/login/session/user_session_manager.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_token_initializer.h"
 #include "chrome/browser/chromeos/login/signin_specifics.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/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/user_flow.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
@@ skipping 524 matching lines @@
 
   // Reset user flow to default, so that special flow will not affect next
   // attempt.
   ChromeUserManager::Get()->ResetUserFlow(last_login_attempt_username_);
 
   if (auth_status_consumer_)
     auth_status_consumer_->OnAuthFailure(failure);
 
   // Clear the recorded displayed email so it won't affect any future attempts.
   display_email_.clear();
+
+  // TODO(ginkage): Fix this case once crbug.com/469990 is ready.
+  /*
+    if (failure.reason() == AuthFailure::COULD_NOT_MOUNT_CRYPTOHOME)

[Nikita (slow), 2015/04/29 09:21:46]

nit: Add {} even though this is just commented code.

[Ivan Podogov, 2015/04/29 10:34:24]

Done.

+      RecordReauthReason(last_login_attempt_username_,
+                         ReauthReason::MISSING_CRYPTOHOME);
+  */
 }
 
 void ExistingUserController::OnAuthSuccess(const UserContext& user_context) {
   is_login_in_progress_ = false;
   offline_failed_ = false;
   login_display_->set_signin_completed(true);
 
   // Login performer will be gone so cache this value to use
   // once profile is loaded.
   password_changed_ = login_performer_->password_changed();
@@ skipping 384 matching lines @@
 
   login_display_->ShowError(error_id, num_login_attempts_, help_topic_id);
 }
 
 void ExistingUserController::ShowGaiaPasswordChanged(
     const std::string& username) {
   // Invalidate OAuth token, since it can't be correct after password is
   // changed.
   user_manager::UserManager::Get()->SaveUserOAuthStatus(
       username, user_manager::User::OAUTH2_TOKEN_STATUS_INVALID);
+  RecordReauthReason(username, ReauthReason::OTHER);
 
   login_display_->SetUIEnabled(true);
   login_display_->ShowGaiaPasswordChanged(username);
 }
 
 void ExistingUserController::SendAccessibilityAlert(
     const std::string& alert_text) {
   AutomationManagerAura::GetInstance()->HandleAlert(
       ProfileHelper::GetSigninProfile(), alert_text);
 }
@@ skipping 228 matching lines @@
     const UserContext& user_context) {
   if (!success) {
     LOG(ERROR) << "OAuth2 token fetch failed.";
     OnAuthFailure(AuthFailure(AuthFailure::NETWORK_AUTH_FAILED));
     return;
   }
   PerformLogin(user_context, LoginPerformer::AUTH_MODE_EXTENSION);
 }
 
 }  // namespace chromeos