Remove the #enable-fast-user-switcher flag.

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/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
@@ skipping 936 matching lines @@
     layout->AddView(current_profile_accounts);
   }
 
   if (browser_->profile()->IsSupervised()) {
     layout->StartRow(0, 0);
     layout->AddView(new views::Separator(views::Separator::HORIZONTAL));
     layout->StartRow(1, 0);
     layout->AddView(CreateSupervisedUserDisclaimerView());
   }
 
-  if (IsProfileChooser(view_mode_)) {
-    layout->StartRow(1, 0);
-    if (switches::IsFastUserSwitching()) {
-      layout->AddView(CreateOtherProfilesView(other_profiles));
-    }
-  }
-
   layout->StartRow(0, 0);
   layout->AddView(new views::Separator(views::Separator::HORIZONTAL));
 
   if (option_buttons_view) {
     layout->StartRow(0, 0);
     layout->AddView(option_buttons_view);
   }
 }
 
 void ProfileChooserView::PopulateMinimalProfileChooserView(
@@ skipping 754 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;
 }