100644 blob ca564e8b1d61f61713643cc87ba19b36b6b1be5e	gain_controller2.cc
100644 blob 11706870f435e20628a7812b4f0517a0bbf2f1d2	gain_controller2.h
100644 blob 46f654db62a09f90fa914dfc86b64a1ee0b12057	gain_controller2_unittest.cc