detect preferences errors

chrome/test/automation/tab_proxy.cc

 // Copyright (c) 2006-2008 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/test/automation/tab_proxy.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "chrome/common/json_value_serializer.h"
@@ skipping 323 matching lines @@
   std::string json;
   if (!sender_->Send(new AutomationMsg_DomOperation(0, handle_, frame_xpath,
                                                     jscript, &json)))
     return false;
   // Wrap |json| in an array before deserializing because valid JSON has an
   // array or an object as the root.
   json.insert(0, "[");
   json.append("]");
 
   JSONStringValueSerializer deserializer(json);
-  *value = deserializer.Deserialize(NULL);
+  *value = deserializer.Deserialize(NULL, NULL);
   return *value != NULL;
 }
 
 bool TabProxy::SetEnableExtensionAutomation(
     const std::vector<std::string>& functions_enabled) {
   if (!is_valid())
     return false;
 
   return sender_->Send(new AutomationMsg_SetEnableExtensionAutomation(
       0, handle_, functions_enabled));
@@ skipping 391 matching lines @@
 void TabProxy::OnMessageReceived(const IPC::Message& message) {
   AutoLock lock(list_lock_);
   FOR_EACH_OBSERVER(TabProxyDelegate, observers_list_,
                     OnMessageReceived(this, message));
 }
 
 void TabProxy::OnChannelError() {
   AutoLock lock(list_lock_);
   FOR_EACH_OBSERVER(TabProxyDelegate, observers_list_, OnChannelError(this));
 }