Binds two IDs together.

This macro provides a mechanism to tell trace consumers
that two different IDs are actually identical and they
refer to the same thing.

For more context:
https://docs.google.com/a/google.com/document/d/1s0DKjNJk85hDuRp5IqujwZvPML-MPsyAtDeksMwBw7s/edit?usp=sharing

BUG=catapult:#2465

Review-Url: https://codereview.chromium.org/2142023003
Cr-Original-Commit-Position: refs/heads/master@{#406648}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 824aa1f16c39e840dffd25b78ee334ba0e58cbc1
1 file changed
tree: c8c64ccd76a3d1832c744a452a5a7ba750298881
  1. trace_event_common.h