Update ManagedUserService tests to create the service using ManagedUserServiceFactory

chrome/browser/managed_mode/managed_user_service.cc

 // Copyright (c) 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_service.h"
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/field_trial.h"
 #include "base/prefs/pref_service.h"
@@ skipping 122 matching lines @@
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&ManagedModeURLFilter::SetManualURLs,
                  io_url_filter_, base::Owned(url_map.release())));
 }
 
 ManagedUserService::ManagedUserService(Profile* profile)
     : weak_ptr_factory_(this),
       profile_(profile),
       waiting_for_sync_initialization_(false),
-      elevated_for_testing_(false) {
+      elevated_for_testing_(false),
+      did_shutdown_(false) {
 }
 
-ManagedUserService::~ManagedUserService() {}
+ManagedUserService::~ManagedUserService() {
+  DCHECK(did_shutdown_);
+}
 
 void ManagedUserService::Shutdown() {
+  did_shutdown_ = true;
   if (!waiting_for_sync_initialization_)
     return;
 
   ProfileSyncService* sync_service =
         ProfileSyncServiceFactory::GetForProfile(profile_);
   sync_service->RemoveObserver(this);
 }
 
 bool ManagedUserService::ProfileIsManaged() const {
   return ProfileIsManaged(profile_);
@@ skipping 453 matching lines @@
       profile_->GetPrefs()->GetDictionary(prefs::kManagedModeManualURLs);
   scoped_ptr<std::map<GURL, bool> > url_map(new std::map<GURL, bool>());
   for (DictionaryValue::Iterator it(*dict); !it.IsAtEnd(); it.Advance()) {
     bool allow = false;
     bool result = it.value().GetAsBoolean(&allow);
     DCHECK(result);
     (*url_map)[GURL(it.key())] = allow;
   }
   url_filter_context_.SetManualURLs(url_map.Pass());
 }