Addressed use-of-uninitialized-value bug for manage_accounts_button_ on L1044

chrome/browser/ui/views/profiles/profile_chooser_view.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 "chrome/browser/ui/views/profiles/profile_chooser_view.h"
 
 #include "base/macros.h"
 #include "base/metrics/user_metrics.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 747 matching lines @@
       ProfileOAuth2TokenServiceFactory::GetForProfile(browser_->profile());
   if (oauth2_token_service)
     oauth2_token_service->RemoveObserver(this);
 }
 
 void ProfileChooserView::ResetView() {
   open_other_profile_indexes_map_.clear();
   delete_account_button_map_.clear();
   reauth_account_button_map_.clear();
   manage_accounts_link_ = nullptr;
+  manage_accounts_button_ = nullptr;
   signin_current_profile_button_ = nullptr;
   auth_error_email_button_ = nullptr;
   current_profile_photo_ = nullptr;
   current_profile_name_ = nullptr;
   current_profile_card_ = nullptr;
   guest_profile_button_ = nullptr;
   users_button_ = nullptr;
   go_incognito_button_ = nullptr;
   lock_button_ = nullptr;
   close_all_windows_button_ = nullptr;
@@ skipping 1377 matching lines @@
       IncognitoModePrefs::GetAvailability(browser_->profile()->GetPrefs()) !=
           IncognitoModePrefs::DISABLED;
   return incognito_available && !browser_->profile()->IsGuestSession();
 }
 
 void ProfileChooserView::PostActionPerformed(
     ProfileMetrics::ProfileDesktopMenu action_performed) {
   ProfileMetrics::LogProfileDesktopMenu(action_performed, gaia_service_type_);
   gaia_service_type_ = signin::GAIA_SERVICE_TYPE_NONE;
 }