Roll src/third_party/flac/ to e1b6e7983a8c54954f13f40772a40f490f1eefca.
Roll src/third_party/flac/ to e1b6e7983a8c54954f13f40772a40f490f1eefca.

$ git log c291ce676d..e1b6e7983 --date=short --format='%ad %ae %s'
2015-08-03 tfarina@chromium.org third_party/flac: Rename direct_dependent_configs to public_configs.
2015-07-03 mgiuca@chromium.org Suppress "unused-const-variable" Clang warnings.

BUG=None
R=philipj@opera.com

Review URL: https://codereview.chromium.org/1268113003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#341870}

CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,CapOM/ChromiumGStreamerBackend,ltilve/ChromiumGStreamerBackend