The directory contains google-glog's symbolization library.
License can be found in symbolize.cc.

The following files are copied AS-IS from:
http://code.google.com/p/google-glog/source/browse/#svn/trunk/src (r76)

- demangle.cc
- demangle.h
- symbolize.cc
- symbolize.h

The following files are minimal stubs created for use in Chromium:

- config.h
- glog/logging.h
- glog/raw_logging.h
- utilities.h