[Extensions] Un-refcount PermissionSet

chrome/browser/extensions/api/developer_private/extension_info_generator.cc

 // Copyright 2015 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/developer_private/extension_info_generator.h"
 
 #include "base/base64.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 482 matching lines @@
   if (Manifest::IsUnpackedLocation(extension.location())) {
     info->path.reset(new std::string(extension.path().AsUTF8Unsafe()));
     info->prettified_path.reset(new std::string(
       extensions::path_util::PrettifyPath(extension.path()).AsUTF8Unsafe()));
   }
 
   // Runs on all urls.
   info->run_on_all_urls.is_enabled =
       (FeatureSwitch::scripts_require_action()->IsEnabled() &&
        PermissionsData::ScriptsMayRequireActionForExtension(
-           &extension,
-           extension.permissions_data()->active_permissions().get())) ||
+           &extension, extension.permissions_data()->active_permissions())) ||
       extension.permissions_data()->HasWithheldImpliedAllHosts() ||
       util::HasSetAllowedScriptingOnAllUrls(extension.id(), browser_context_);
   info->run_on_all_urls.is_active =
       util::AllowedScriptingOnAllUrls(extension.id(), browser_context_);
 
   // Runtime warnings.
   std::vector<std::string> warnings =
       warning_service_->GetWarningMessagesForExtension(extension.id());
   for (const std::string& warning : warnings)
     info->runtime_warnings.push_back(warning);
@@ skipping 108 matching lines @@
     // that at the end of the method, any stored refs are destroyed.
     ExtensionInfoList list;
     list.swap(list_);
     ExtensionInfosCallback callback = callback_;
     callback_.Reset();
     callback.Run(list);  // WARNING: |this| is possibly deleted after this line!
   }
 }
 
 }  // namespace extensions