Modify the base::JSONReader interface to take a set of options rather than a boolean flag.

chrome/browser/ui/webui/options2/core_options_handler2.cc

 // Copyright (c) 2012 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/ui/webui/options2/core_options_handler2.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/json/json_reader.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 398 matching lines @@
       GURL fixed = URLFixerUpper::FixupURL(original, std::string());
       temp_value.reset(base::Value::CreateStringValue(fixed.spec()));
       value = temp_value.get();
       break;
     }
     case TYPE_LIST: {
       // In case we have a List pref we got a JSON string.
       std::string json_string;
       CHECK(value->GetAsString(&json_string));
       temp_value.reset(
-          base::JSONReader().JsonToValue(json_string,
-                                         false,  // no check_root
-                                         false));  // no trailing comma
+          base::JSONReader::Read(json_string));
       value = temp_value.get();
       CHECK_EQ(base::Value::TYPE_LIST, value->GetType());
       break;
     }
     default:
       NOTREACHED();
   }
 
   std::string metric;
   if (args->GetSize() > 2 && !args->GetString(2, &metric))
@@ skipping 25 matching lines @@
 
 void CoreOptionsHandler::UpdateClearPluginLSOData() {
   scoped_ptr<base::Value> enabled(
       base::Value::CreateBooleanValue(
           clear_plugin_lso_data_enabled_.GetValue()));
   web_ui()->CallJavascriptFunction(
       "OptionsPage.setClearPluginLSODataEnabled", *enabled);
 }
 
 }  // namespace options2