detect preferences errors

chrome/browser/page_state.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 <string>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 25 matching lines @@
     }
   }
 }
 
 void PageState::InitWithBytes(const std::string& bytes) {
   // Reset our state. We create a new empty one just in case
   // deserialization fails
   state_.reset(new DictionaryValue);
 
   JSONStringValueSerializer serializer(bytes);
-  scoped_ptr<Value> root(serializer.Deserialize(NULL));
+  scoped_ptr<Value> root(serializer.Deserialize(NULL, NULL));
 
   if (!root.get()) {
     NOTREACHED();
     return;
   }
 
   if (root->GetType() == Value::TYPE_DICTIONARY)
     state_.reset(static_cast<DictionaryValue*>(root.release()));
 }
 
@@ skipping 45 matching lines @@
   }
   return false;
 }
 
 PageState* PageState::Copy() const {
   PageState* copy = new PageState();
   if (state_.get())
     copy->state_.reset(static_cast<DictionaryValue*>(state_->DeepCopy()));
   return copy;
 }