detect preferences errors

chrome/browser/extensions/extension_ui_unittest.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 "base/path_service.h"
 #include "base/string_util.h"
 #include "chrome/browser/extensions/extensions_ui.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/json_value_serializer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
   static DictionaryValue* DeserializeJSONTestData(const FilePath& path,
       std::string *error) {
     Value* value;
 
     JSONFileValueSerializer serializer(path);
-    value = serializer.Deserialize(error);
+    value = serializer.Deserialize(NULL, error);
 
     return static_cast<DictionaryValue*>(value);
   }
 
   static bool CompareExpectedAndActualOutput(
       const FilePath& extension_path,
       const std::vector<ExtensionPage>& pages,
       const FilePath& expected_output_path) {
     // TODO(rafaelw): Using the extension_path passed in above, causes this
     // unit test to fail on linux. The Values come back valid, but the
@@ skipping 83 matching lines @@
   expected_output_path = data_test_dir_path.AppendASCII("extensions")
       .AppendASCII("ui")
       .AppendASCII("create_extension_detail_value_expected_output")
       .AppendASCII("good-extension3.json");
 
   pages.clear();
 
   EXPECT_TRUE(CompareExpectedAndActualOutput(extension_path, pages,
       expected_output_path)) << extension_path.value();
 }