Remoting: Remove references to POSIX shared memory.

https://codereview.chromium.org/1509723003/ removed all dependencies on the
implementation of shared memory. This CL removes the remaining references.

BUG=547247

Review URL: https://codereview.chromium.org/1509063003

Cr-Commit-Position: refs/heads/master@{#367117}


CrOS-Libchrome-Original-Commit: 9e1ffaa2e70f528ac6f879d5074954c1a4b96cb5
2 files changed
tree: 7f6d5bb17300a13803bb4dbe7f7db0bdf77f985d
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/