Revert 239759 "The comment in base64.h implies that base::Base64..."

trunk/src/chrome/browser/managed_mode/managed_user_registration_utility.cc

 // Copyright 2013 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/managed_mode/managed_user_registration_utility.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 132 matching lines @@
       ManagedUserSyncServiceFactory::GetForProfile(profile);
   return make_scoped_ptr(ManagedUserRegistrationUtility::CreateImpl(
       profile->GetPrefs(),
       token_fetcher.Pass(),
       managed_user_sync_service));
 }
 
 // static
 std::string ManagedUserRegistrationUtility::GenerateNewManagedUserId() {
   std::string new_managed_user_id;
-  base::Base64Encode(base::RandBytesAsString(8), &new_managed_user_id);
+  bool success = base::Base64Encode(base::RandBytesAsString(8),
+                                    &new_managed_user_id);
+  DCHECK(success);
   return new_managed_user_id;
 }
 
 // static
 void ManagedUserRegistrationUtility::SetUtilityForTests(
     ManagedUserRegistrationUtility* utility) {
   if (g_instance_for_tests)
     delete g_instance_for_tests;
   g_instance_for_tests = utility;
 }
@@ skipping 141 matching lines @@
           pending_managed_user_id_);
     }
   }
 
   if (run_callback)
     callback_.Run(error, pending_managed_user_token_);
   callback_.Reset();
 }
 
 } // namespace