[Extensions] Un-refcount PermissionSet

chrome/browser/extensions/active_tab_permission_granter.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/active_tab_permission_granter.h"
 
 #include "chrome/browser/extensions/active_script_controller.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
@@ skipping 86 matching lines @@
     new_hosts.AddOrigin(UserScript::ValidUserScriptSchemes(),
                         web_contents()->GetVisibleURL().GetOrigin());
     new_apis.insert(APIPermission::kTab);
   }
 
   if (permissions_data->HasAPIPermission(APIPermission::kTabCapture))
     new_apis.insert(APIPermission::kTabCaptureForTab);
 
   if (!new_apis.empty() || !new_hosts.is_empty()) {
     granted_extensions_.Insert(extension);
-    scoped_refptr<const PermissionSet> new_permissions =
-        new PermissionSet(new_apis, ManifestPermissionSet(),
-                          new_hosts, URLPatternSet());
+    PermissionSet new_permissions(new_apis, ManifestPermissionSet(), new_hosts,
+                                  URLPatternSet());
     permissions_data->UpdateTabSpecificPermissions(tab_id_, new_permissions);
     const content::NavigationEntry* navigation_entry =
         web_contents()->GetController().GetVisibleEntry();
     if (navigation_entry) {
       // We update all extension render views with the new tab permissions, and
       // also the tab itself.
       CreateMessageFunction update_message =
           base::Bind(&CreateUpdateMessage,
                      navigation_entry->GetURL(),
                      extension->id(),
@@ skipping 76 matching lines @@
   CreateMessageFunction clear_message =
       base::Bind(&CreateClearMessage, extension_ids, tab_id_);
   SendMessageToProcesses(frame_hosts,
                          web_contents()->GetRenderProcessHost(),
                          clear_message);
 
   granted_extensions_.Clear();
 }
 
 }  // namespace extensions