detect preferences errors

chrome/browser/browser_theme_pack_unittest.cc

 // Copyright (c) 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/browser_theme_pack.h"
 
 #include "app/theme_provider.h"
 #include "base/file_util.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop.h"
@@ skipping 388 matching lines @@
   // Part 1: Build the pack from an extension.
   {
     FilePath star_gazing_path = GetStarGazingPath();
     Extension extension(star_gazing_path);
 
     FilePath manifest_path =
         star_gazing_path.AppendASCII("manifest.json");
     std::string error;
     JSONFileValueSerializer serializer(manifest_path);
     scoped_ptr<DictionaryValue> valid_value(
-        static_cast<DictionaryValue*>(serializer.Deserialize(&error)));
+        static_cast<DictionaryValue*>(serializer.Deserialize(NULL, &error)));
     EXPECT_EQ("", error);
     ASSERT_TRUE(valid_value.get());
     ASSERT_TRUE(extension.InitFromValue(*valid_value, true, &error));
     ASSERT_EQ("", error);
 
     scoped_refptr<BrowserThemePack> pack =
         BrowserThemePack::BuildFromExtension(&extension);
     ASSERT_TRUE(pack.get());
     ASSERT_TRUE(pack->WriteToDisk(file));
     VerifyStarGazing(pack.get());
   }
 
   // Part 2: Try to read back the data pack that we just wrote to disk.
   {
     scoped_refptr<BrowserThemePack> pack =
         BrowserThemePack::BuildFromDataPack(
             file, "mblmlcbknbnfebdfjnolmcapmdofhmme");
     ASSERT_TRUE(pack.get());
     VerifyStarGazing(pack.get());
   }
 }