ipc: Update Message::FindNext to parse brokered attachments.

The method Message::FindNext now takes an output parameter NextMessageInfo which
contains additional metadata needed for generating brokered attachments.

BUG=493414

Review URL: https://codereview.chromium.org/1308613006

Cr-Commit-Position: refs/heads/master@{#348459}


CrOS-Libchrome-Original-Commit: 29e0f2f9ad9a9f377995804efaf72476cc987714
3 files changed
tree: cfda84afd9bb93c4b013a2889e2399c05a426c58
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/