Revert 170514

chrome/common/extensions/permissions/permission_set.cc

Index: chrome/common/extensions/permissions/permission_set.cc
===================================================================
--- chrome/common/extensions/permissions/permission_set.cc	(revision 170599)
+++ chrome/common/extensions/permissions/permission_set.cc	(working copy)
@@ -197,23 +197,6 @@
   return new PermissionSet(apis, explicit_hosts, scriptable_hosts);
 }
 
-// static
-PermissionSet* PermissionSet::ExcludeNotInManifestPermissions(
-    const PermissionSet* set) {
-  if (!set)
-    return new PermissionSet();
-
-  APIPermissionSet apis;
-  for (APIPermissionSet::const_iterator i = set->apis().begin();
-       i != set->apis().end(); ++i) {
-    if (!i->ManifestEntryForbidden())
-      apis.insert(i->Clone());
-  }
-
-  return new PermissionSet(
-      apis, set->explicit_hosts(), set->scriptable_hosts());
-}
-
 bool PermissionSet::operator==(
     const PermissionSet& rhs) const {
   return apis_ == rhs.apis_ &&