Move CreateSocketPair to header file

Move function CreateSocketPair from base/posix/unix_domain_socket_linux.cc to
base/posix/unix_domain_socket_linux.h so it can be shared.

Review-Url: https://codereview.chromium.org/2779033002
Cr-Commit-Position: refs/heads/master@{#462350}


CrOS-Libchrome-Original-Commit: 6a52479520c587fc61eb3106f27ac6bd396fa736
2 files changed
tree: 38b3da86b98eb64f050c03de7f0efc561374a7b0
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/