Additional logging for crash mentioned in crbug.com/422918

R=nkostylev@chromium.org

Review URL: https://codereview.chromium.org/666443002

Cr-Commit-Position: refs/heads/master@{#301407}

chrome/browser/chromeos/login/auth/chrome_login_performer.cc

@@ -135,7 +135,7 @@ UserContext ChromeLoginPerformer::TransformSupervisedKey(
 
 void ChromeLoginPerformer::SetupSupervisedUserFlow(const std::string& user_id) {
   SupervisedUserLoginFlow* new_flow = new SupervisedUserLoginFlow(user_id);
-  new_flow->set_host(ChromeUserManager::Get()->GetUserFlow(user_id)->host());
+  new_flow->SetHost(ChromeUserManager::Get()->GetUserFlow(user_id)->host());
   ChromeUserManager::Get()->SetUserFlow(user_id, new_flow);
 }
 

chrome/browser/chromeos/login/existing_user_controller.cc

@@ -446,8 +446,11 @@ void ExistingUserController::Login(const UserContext& user_context,
 void ExistingUserController::PerformLogin(
     const UserContext& user_context,
     LoginPerformer::AuthorizationMode auth_mode) {
-  ChromeUserManager::Get()->GetUserFlow(user_context.GetUserID())->set_host(
-      host_);
+  // TODO(antrim): remove this output once crash reason is found.
+  LOG(ERROR) << "Setting flow from PerformLogin";
+  ChromeUserManager::Get()
+      ->GetUserFlow(user_context.GetUserID())
+      ->SetHost(host_);
 
   BootTimesLoader::Get()->RecordLoginAttempted();
 

chrome/browser/chromeos/login/supervised/supervised_user_creation_flow.cc

@@ -34,7 +34,9 @@ SupervisedUserCreationFlow::SupervisedUserCreationFlow(
         session_started_(false),
         manager_profile_(NULL) {}
 
-SupervisedUserCreationFlow::~SupervisedUserCreationFlow() {}
+SupervisedUserCreationFlow::~SupervisedUserCreationFlow() {
+  LOG(ERROR) << "Destroyed " << this;
+}
 
 bool SupervisedUserCreationFlow::CanLockScreen() {
   return false;
@@ -95,6 +97,8 @@ bool SupervisedUserCreationFlow::HandlePasswordChangeDetected() {
 
 void SupervisedUserCreationFlow::LaunchExtraSteps(
     Profile* profile) {
+  // TODO(antrim): remove this output once crash is found.
+  LOG(ERROR) << "LaunchExtraSteps for " << this << " host is " << host();
   logged_in_ = true;
   manager_profile_ = profile;
   ProfileHelper::Get()->ProfileStartup(profile, true);

chrome/browser/chromeos/login/user_flow.cc

@@ -22,6 +22,12 @@ UserFlow::UserFlow() : host_(NULL) {}
 
 UserFlow::~UserFlow() {}
 
+void UserFlow::SetHost(LoginDisplayHost* host) {
+  // TODO(antrim): remove this output once crash reason is found.
+  LOG(ERROR) << "Flow " << this << " got host " << host;
+  host_ = host;
+}
+
 DefaultUserFlow::~DefaultUserFlow() {}
 
 void DefaultUserFlow::AppendAdditionalCommandLineSwitches() {

chrome/browser/chromeos/login/user_flow.h

@@ -37,10 +37,7 @@ class UserFlow {
   virtual void HandleOAuthTokenStatusChange(
       user_manager::User::OAuthTokenStatus status) = 0;
   virtual void LaunchExtraSteps(Profile* profile) = 0;
-
-  void set_host(LoginDisplayHost* host) {
-    host_ = host;
-  }
+  void SetHost(LoginDisplayHost* host);
 
   LoginDisplayHost* host() {
     return host_;