root/chrome/browser/extensions/api/proxy/

[..]
  1. proxy_api.cc
  2. proxy_api.h
  3. proxy_api_constants.cc
  4. proxy_api_constants.h
  5. proxy_api_helpers.cc
  6. proxy_api_helpers.h
  7. proxy_api_helpers_unittest.cc
  8. proxy_apitest.cc
[..]