detect preferences errors

chrome/common/extensions/extension_manifests_unittest.cc

 // Copyright (c) 2010 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/file_path.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/scoped_ptr.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 13 matching lines @@
                            std::string* error) {
     FilePath path;
     PathService::Get(chrome::DIR_TEST_DATA, &path);
     path = path.AppendASCII("extensions")
         .AppendASCII("manifest_tests")
         .AppendASCII(name.c_str());
     EXPECT_TRUE(file_util::PathExists(path));
 
     JSONFileValueSerializer serializer(path);
     scoped_ptr<DictionaryValue> value(
-        static_cast<DictionaryValue*>(serializer.Deserialize(error)));
+        static_cast<DictionaryValue*>(serializer.Deserialize(NULL, error)));
     if (!value.get())
       return NULL;
 
     scoped_ptr<Extension> extension(new Extension(path.DirName()));
     if (enable_apps_)
       extension->set_apps_enabled(true);
 
     if (!extension->InitFromValue(*value, false, error))
       return NULL;
 
@@ skipping 126 matching lines @@
 
   extension.reset(LoadAndExpectSuccess("override_new_tab.json"));
   EXPECT_EQ(extension->url().spec() + "newtab.html",
             extension->GetChromeURLOverrides().find("newtab")->second.spec());
 
   extension.reset(LoadAndExpectSuccess("override_history.json"));
   EXPECT_EQ(extension->url().spec() + "history.html",
             extension->GetChromeURLOverrides().find("history")->second.spec());
 
 }