Henrik Boström 67d2d35443 Revert "Reland "[Stats] Cleanup: Remove unimplemented metrics and obsolete TODOs.""
This reverts commit 2843bbc96dc3deee0406bac5ec9440cf3385ef2e.

Reason for revert: Even more references to unimplemented metrics remaining...

Original change's description:
> Reland "[Stats] Cleanup: Remove unimplemented metrics and obsolete TODOs."
>
> This is a reland of commit 626f87d90501fd8d7a4ea071686cd8befd0d430c
>
> Original change's description:
> > [Stats] Cleanup: Remove unimplemented metrics and obsolete TODOs.
> >
> > In preparation for the spec moving closer to PR, let's not have
> > placeholder metrics not implemented.
> >
> > Bug: webrtc:14167
> > Change-Id: If4688ef85b57f88154d490186b306b30414874e4
> > Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265383
> > Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> > Commit-Queue: Henrik Boström <hbos@webrtc.org>
> > Cr-Commit-Position: refs/heads/main@{#37205}
>
> Bug: webrtc:14167
> Change-Id: Ifdc37e7a48fea516c727c06d2f510780386cb204
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265805
> Reviewed-by: Harald Alvestrand <hta@webrtc.org>
> Auto-Submit: Henrik Boström <hbos@webrtc.org>
> Commit-Queue: Harald Alvestrand <hta@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#37215}

Bug: webrtc:14167
Change-Id: I959d61512d5896224302a70aadbac6f75afc819e
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/265810
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#37217}
2022-06-15 08:11:48 +00:00
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How to write code in the api/ directory

Mostly, just follow the regular style guide, but:

  • Note that api/ code is not exempt from the “.h and .cc files come in pairs” rule, so if you declare something in api/path/to/foo.h, it should be defined in api/path/to/foo.cc.
  • Headers in api/ should, if possible, not #include headers outside api/. Its not always possible to avoid this, but be aware that it adds to a small mountain of technical debt that were trying to shrink.
  • .cc files in api/, on the other hand, are free to #include headers outside api/.

That is, the preferred way for api/ code to access non-api/ code is to call it from a .cc file, so that users of our API headers wont transitively #include non-public headers.

For headers in api/ that need to refer to non-public types, forward declarations are often a lesser evil than including non-public header files. The usual rules still apply, though.

.cc files in api/ should preferably be kept reasonably small. If a substantial implementation is needed, consider putting it with our non-public code, and just call it from the api/ .cc file.