In the declarative API, check that the extension has permission for the event

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 24 matching lines @@
 }
 
 }  // namespace
 
 namespace extensions {
 
 RulesFunction::RulesFunction() : rules_registry_(NULL) {}
 
 RulesFunction::~RulesFunction() {}
 
+bool RulesFunction::HasPermission() {
+  std::string event_name;
+  EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &event_name));
+  return extension_->HasAPIPermission(event_name);
+}
+
 bool RulesFunction::RunImpl() {
   std::string event_name;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &event_name));
 
   RulesRegistryService* rules_registry_service =
       ExtensionSystemFactory::GetForProfile(profile())->
       rules_registry_service();
   rules_registry_ = rules_registry_service->GetRulesRegistry(event_name);
   // Raw access to this function is not available to extensions, therefore
   // there should never be a request for a nonexisting rules registry.
@@ skipping 55 matching lines @@
     error_ = rules_registry_->GetAllRules(extension_id(), &rules);
   }
 
   if (error_.empty())
     results_ = GetRules::Results::Create(rules);
 
   return error_.empty();
 }
 
 }  // namespace extensions