Introduce PrefRegistrySyncable, simplifying PrefServiceSyncable.

chrome/browser/sync/profile_sync_service_preference_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 <map>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/location.h"
 #include "base/stl_util.h"
 #include "base/string_piece.h"
 #include "chrome/browser/prefs/pref_model_associator.h"
+#include "chrome/browser/prefs/pref_registry_syncable.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/signin/signin_manager.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/signin/token_service_factory.h"
 #include "chrome/browser/sync/abstract_profile_sync_service_test.h"
 #include "chrome/browser/sync/glue/generic_change_processor.h"
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 #include "chrome/browser/sync/glue/ui_data_type_controller.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/sync/profile_sync_test_util.h"
@@ skipping 89 matching lines @@
         not_synced_preference_name_("nonsense_pref_name"),
         not_synced_preference_default_value_("default"),
         non_default_charset_value_("foo") {}
 
   virtual void SetUp() {
     AbstractProfileSyncServiceTest::SetUp();
     profile_.reset(new TestingProfile());
     profile_->CreateRequestContext();
     prefs_ = profile_->GetTestingPrefService();
 
-    prefs_->RegisterStringPref(not_synced_preference_name_.c_str(),
-                               not_synced_preference_default_value_,
-                               PrefServiceSyncable::UNSYNCABLE_PREF);
+    prefs_->registry()->RegisterStringPref(
+        not_synced_preference_name_.c_str(),
+        not_synced_preference_default_value_,
+        PrefRegistrySyncable::UNSYNCABLE_PREF);
   }
 
   virtual void TearDown() {
     profile_.reset();
     AbstractProfileSyncServiceTest::TearDown();
   }
 
   int GetSyncPreferenceCount() {
     syncer::ReadTransaction trans(FROM_HERE, sync_service_->GetUserShare());
     syncer::ReadNode node(&trans);
@@ skipping 534 matching lines @@
   EXPECT_FALSE(pref->IsDefaultValue());
   // There should be no synced value.
   EXPECT_TRUE(GetSyncedValue(prefs::kHomePage) == NULL);
   // Switch kHomePage back to unmanaged.
   profile_->GetTestingPrefService()->RemoveManagedPref(prefs::kHomePage);
   // The original value should be picked up.
   EXPECT_TRUE(pref->IsDefaultValue());
   // There should still be no synced value.
   EXPECT_TRUE(GetSyncedValue(prefs::kHomePage) == NULL);
 }