DanglingPtr: Mark all of them as untriaged [1/N]

This patch must be a no-op with all the common build flags.

Add the "DanglingUntriaged" raw_ptr annotation. It indicates a
raw_ptr becomes dangling, and it should be triaged/fixed.

This annotates the one firing during content_browsertests.
Multiple follow-up will complete the list, up until being able to
enable dangling pointer detection on a bot.

Stats:
- 175 DanglingUntriaged in code
- 69 DanglingUntriaged in tests

Bug=1291138

Change-Id: I00771bd46403f90297aa5b972fdd1ddc23b18e07
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3687960
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Reviewed-by: Bartek Nowierski <bartekn@chromium.org>
Owners-Override: Bartek Nowierski <bartekn@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1013525}
NOKEYCHECK=True
GitOrigin-RevId: 4c9cdacbe6ebc7a1b5092c5e34fd1b932d4a0bdb
1 file changed