100644 blob 503483a8a0e88e59b2958b808a2808aa2f50db6e	BUILD.gn
100644 blob 39ed9ed50bab91fa1e91aa93e84203f44e16d99d	lock.cc
100644 blob 1b27b2258b3c020f1d63f6898eec505a5167c6f7	lock.h
100644 blob 9fd19dd4054cc62f638d8b84977bf9bc2a9b7371	lock_unittest.cc