[Extensions] Un-refcount PermissionSet

chrome/browser/extensions/api/permissions/permissions_api_helpers.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/permissions/permissions_api_helpers.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/common/extensions/api/permissions.h"
 #include "extensions/common/error_utils.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/permissions_info.h"
 #include "extensions/common/permissions/usb_device_permission.h"
 #include "extensions/common/url_pattern_set.h"
 
-using extensions::APIPermission;
-using extensions::PermissionSet;
-using extensions::PermissionsInfo;
-
 namespace extensions {
 
 using api::permissions::Permissions;
 
 namespace permissions_api_helpers {
 
 namespace {
 
 const char kDelimiter[] = "|";
 const char kInvalidParameter[] =
@@ skipping 28 matching lines @@
   // to apps/extensions via the permissions API.
 
   permissions->origins.reset(new std::vector<std::string>());
   URLPatternSet hosts = set->explicit_hosts();
   for (URLPatternSet::const_iterator i = hosts.begin(); i != hosts.end(); ++i)
     permissions->origins->push_back(i->GetAsString());
 
   return scoped_ptr<Permissions>(permissions);
 }
 
-scoped_refptr<const PermissionSet> UnpackPermissionSet(
+scoped_ptr<const PermissionSet> UnpackPermissionSet(
     const Permissions& permissions,
     bool allow_file_access,
     std::string* error) {
   DCHECK(error);
   APIPermissionSet apis;
   std::vector<std::string>* permissions_list = permissions.permissions.get();
   if (permissions_list) {
     PermissionsInfo* info = PermissionsInfo::GetInstance();
     for (std::vector<std::string>::iterator it = permissions_list->begin();
         it != permissions_list->end(); ++it) {
@@ skipping 61 matching lines @@
         *error = ErrorUtils::FormatErrorMessage(
             kInvalidOrigin,
             *it,
             URLPattern::GetParseResultString(parse_result));
         return NULL;
       }
       origins.AddPattern(origin);
     }
   }
 
-  return make_scoped_refptr(
+  return make_scoped_ptr(
       new PermissionSet(apis, manifest_permissions, origins, URLPatternSet()));
 }
 
 }  // namespace permissions_api_helpers
 }  // namespace extensions