Puts the new Material Design User Manager behind a flag

components/signin/core/common/profile_management_switches.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 "components/signin/core/common/profile_management_switches.h"
 
+#include <string>
+
 #include "base/command_line.h"
 #include "base/feature_list.h"
 #include "base/metrics/field_trial.h"
 #include "build/build_config.h"
 #include "components/signin/core/common/signin_switches.h"
 
 namespace {
 
 const char kNewProfileManagementFieldTrialName[] = "NewProfileManagement";
 
@@ skipping 110 matching lines @@
 bool IsNewProfileManagementPreviewEnabled() {
   // No promotion to Enable Account Consistency.
   return false;
 }
 
 bool UsePasswordSeparatedSigninFlow() {
   return base::FeatureList::IsEnabled(
       switches::kUsePasswordSeparatedSigninFlow);
 }
 
+bool IsMaterialDesignUserManager() {
+  return base::FeatureList::IsEnabled(switches::kMaterialDesignUserManager);
+}
+
 void EnableNewProfileManagementForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(switches::kEnableNewProfileManagement);
   DCHECK(!command_line->HasSwitch(switches::kDisableNewProfileManagement));
 }
 
 void EnableAccountConsistencyForTesting(base::CommandLine* command_line) {
   command_line->AppendSwitch(switches::kEnableAccountConsistency);
   DCHECK(!command_line->HasSwitch(switches::kDisableAccountConsistency));
 }
 
 }  // namespace switches