FindExtensionInfoFromTag  881 third_party/protobuf/src/google/protobuf/extension_set.cc   if (!FindExtensionInfoFromTag(tag, extension_finder, &number, &extension)) {
FindExtensionInfoFromTag  510 third_party/protobuf/src/google/protobuf/extension_set.h   bool FindExtensionInfoFromTag(uint32 tag, ExtensionFinder* extension_finder,