Added support for multiple parameters to Extension API callbacks.

chrome/browser/extensions/api/declarative/declarative_api.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/extensions/api/declarative/declarative_api.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/task_runner_util.h"
 #include "base/values.h"
@@ skipping 60 matching lines @@
   return true;
 }
 
 bool AddRulesFunction::RunImplOnCorrectThread() {
   scoped_ptr<AddRules::Params> params(AddRules::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   error_ = rules_registry_->AddRules(extension_id(), params->rules);
 
   if (error_.empty())
-    result_.reset(AddRules::Result::Create(params->rules));
+    SetResult(AddRules::Result::Create(params->rules));
 
   return error_.empty();
 }
 
 bool RemoveRulesFunction::RunImplOnCorrectThread() {
   scoped_ptr<RemoveRules::Params> params(RemoveRules::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   if (params->rule_identifiers.get()) {
     error_ = rules_registry_->RemoveRules(extension_id(),
@@ skipping 12 matching lines @@
   std::vector<linked_ptr<Rule> > rules;
   if (params->rule_identifiers.get()) {
     error_ = rules_registry_->GetRules(extension_id(),
                                        *params->rule_identifiers,
                                        &rules);
   } else {
     error_ = rules_registry_->GetAllRules(extension_id(), &rules);
   }
 
   if (error_.empty())
-    result_.reset(GetRules::Result::Create(rules));
+    SetResult(GetRules::Result::Create(rules));
 
   return error_.empty();
 }
 
 }  // namespace extensions