Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/extension_info_private_api_chromeos.cc

 // Copyright (c) 2011 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/extensions/extension_info_private_api_chromeos.h"
 
 #include "base/values.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
@@ skipping 28 matching lines @@
   ListValue* list = NULL;
   EXTENSION_FUNCTION_VALIDATE(args_->GetList(0, &list));
   scoped_ptr<DictionaryValue> result(new DictionaryValue());
   for (size_t i = 0; i < list->GetSize(); ++i) {
     std::string property_name;
     EXTENSION_FUNCTION_VALIDATE(list->GetString(i, &property_name));
     std::string value;
     if (GetValue(property_name, &value))
       result->Set(property_name, Value::CreateStringValue(value));
   }
-  result_.reset(result.release());
+  SetSingleResult(result.release());
   SendResponse(true);
   return true;
 }
 
 bool GetChromeosInfoFunction::GetValue(const std::string& property_name,
                                        std::string* value) {
   value->clear();
   if (property_name == kPropertyHWID) {
     chromeos::system::StatisticsProvider* provider =
         chromeos::system::StatisticsProvider::GetInstance();
     provider->GetMachineStatistic(kHardwareClass, value);
   } else if (property_name == kPropertyHomeProvider) {
     NetworkLibrary* netlib = CrosLibrary::Get()->GetNetworkLibrary();
     (*value) = netlib->GetCellularHomeCarrierId();
   } else if (property_name == kPropertyInitialLocale) {
     *value = chromeos::WizardController::GetInitialLocale();
   } else {
     LOG(ERROR) << "Unknown property request: " << property_name;
     return false;
   }
   return true;
 }