Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/sync/glue/sync_backend_host_unittest.cc

 // Copyright (c) 2012 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/sync/glue/sync_backend_host.h"
 
 #include <cstddef>
 
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/test/test_timeouts.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
+#include "chrome/browser/prefs/pref_service_syncable.h"
 #include "chrome/browser/sync/glue/device_info.h"
 #include "chrome/browser/sync/glue/synced_device_tracker.h"
 #include "chrome/browser/sync/invalidations/invalidator_storage.h"
 #include "chrome/browser/sync/sync_prefs.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_browser_thread.h"
 #include "google/cacheinvalidation/include/types.h"
 #include "googleurl/src/gurl.h"
@@ skipping 113 matching lines @@
         io_thread_(BrowserThread::IO),
         fake_manager_(NULL) {}
 
   virtual ~SyncBackendHostTest() {}
 
   virtual void SetUp() OVERRIDE {
     io_thread_.StartIOThread();
     profile_.reset(new TestingProfile());
     profile_->CreateRequestContext();
     sync_prefs_.reset(new SyncPrefs(profile_->GetPrefs()));
-    invalidator_storage_.reset(new InvalidatorStorage(profile_->GetPrefs()));
+    invalidator_storage_.reset(new InvalidatorStorage(
+        profile_->GetPrefs(),
+        static_cast<PrefRegistrySyncable*>(
+            profile_->GetPrefs()->DeprecatedGetPrefRegistry())));
     backend_.reset(new SyncBackendHost(
         profile_->GetDebugName(),
         profile_.get(),
         sync_prefs_->AsWeakPtr(),
         invalidator_storage_->AsWeakPtr()));
     credentials_.email = "user@example.com";
     credentials_.sync_token = "sync_token";
 
     // These types are always implicitly enabled.
     enabled_types_.PutAll(syncer::ControlTypes());
@@ skipping 583 matching lines @@
   fake_manager_->WaitForSyncThread();
   EXPECT_FALSE(types.Equals(fake_manager_->GetLastRefreshRequestTypes()));
 
   backend_->Shutdown(false);
   backend_.reset();
 }
 
 }  // namespace
 
 }  // namespace browser_sync