detect preferences errors

chrome/browser/sync/glue/preference_change_processor.cc

 // Copyright (c) 2006-2009 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/preference_change_processor.h"
 
 #include <set>
 #include <string>
 
 #include "base/json/json_reader.h"
@@ skipping 143 matching lines @@
 
 Value* PreferenceChangeProcessor::ReadPreference(
     sync_api::ReadNode* node,
     std::wstring* name) {
   const sync_pb::PreferenceSpecifics& preference(
       node->GetPreferenceSpecifics());
   base::JSONReader reader;
   scoped_ptr<Value> value(reader.JsonToValue(preference.value(), false, false));
   if (!value.get()) {
     LOG(ERROR) << "Failed to deserialize preference value: "
-               << reader.error_message();
+               << reader.GetErrorMessage();
     error_handler()->OnUnrecoverableError();
     return NULL;
   }
   *name = UTF8ToWide(preference.name());
   return value.release();
 }
 
 void PreferenceChangeProcessor::StartImpl(Profile* profile) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
   pref_service_ = profile->GetPrefs();
@@ skipping 19 matching lines @@
 void PreferenceChangeProcessor::StopObserving() {
   DCHECK(pref_service_);
   for (std::set<std::wstring>::const_iterator it =
       model_associator_->synced_preferences().begin();
       it != model_associator_->synced_preferences().end(); ++it) {
     pref_service_->RemovePrefObserver((*it).c_str(), this);
   }
 }
 
 }  // namespace browser_sync