Fix permission regression where warnings aren't shown in the dialog

extensions/common/permissions/permissions_data.h

 // Copyright (c) 2013 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.
 
 #ifndef EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_DATA_H_
 #define EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_DATA_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 58 matching lines @@
   // following situations:
   //  - when installing or upgrading packed extensions
   //  - when installing unpacked extensions that have NPAPI plugins
   //  - when either type of extension requests optional permissions
   static bool CanSilentlyIncreasePermissions(const Extension* extension);
 
   // Returns true if the extension is a COMPONENT extension or is on the
   // whitelist of extensions that can script all pages.
   static bool CanExecuteScriptEverywhere(const Extension* extension);
 
+  // Returns true if we should skip the permisisons warning for the extension
+  // with the given |extension_id|.
+  static bool ShouldSkipPermissionWarnings(const std::string& extension_id);
+
   // Returns true if the given |url| is restricted for the given |extension|,
   // as is commonly the case for chrome:// urls.
   // NOTE: You probably want to use CanAccessPage().
   static bool IsRestrictedUrl(const GURL& document_url,
                               const GURL& top_frame_url,
                               const Extension* extension,
                               std::string* error);
 
   // Sets the runtime permissions of the given |extension| to |active| and
   // |withheld|.
@@ skipping 174 matching lines @@
   mutable scoped_refptr<const PermissionSet> withheld_permissions_unsafe_;
 
   mutable TabPermissionsMap tab_specific_permissions_;
 
   DISALLOW_COPY_AND_ASSIGN(PermissionsData);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_PERMISSIONS_PERMISSIONS_DATA_H_