Make unknown extension subpermissions warnings instead of errors.

extensions/common/permissions/api_permission_set.cc

 // Copyright 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.
 
 #include "extensions/common/permissions/api_permission_set.h"
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
@@ skipping 24 matching lines @@
         permission_info->is_internal()) {
       // An internal permission specified in permissions list is an error.
       if (error) {
         *error = ErrorUtils::FormatErrorMessageUTF16(
             errors::kPermissionNotAllowedInManifest, permission_str);
       }
       return false;
     }
 
     std::string error_details;
-    if (!permission->FromValue(permission_value, &error_details)) {
+    if (!permission->FromValue(permission_value, &error_details,
+                               unhandled_permissions)) {
       if (error) {
         if (error_details.empty()) {
           *error = ErrorUtils::FormatErrorMessageUTF16(
               errors::kInvalidPermission,
               permission_info->name());
         } else {
           *error = ErrorUtils::FormatErrorMessageUTF16(
               errors::kInvalidPermissionWithDetail,
               permission_info->name(),
               error_details);
@@ skipping 120 matching lines @@
   // The fileSystem.write and fileSystem.directory permissions imply
   // fileSystem.writeDirectory.
   // TODO(sammc): Remove this. See http://crbug.com/284849.
   if (ContainsKey(map(), APIPermission::kFileSystemWrite) &&
       ContainsKey(map(), APIPermission::kFileSystemDirectory)) {
     insert(APIPermission::kFileSystemWriteDirectory);
   }
 }
 
 }  // namespace extensions