Bug 1618527 [wpt PR 22005] - Introduce COEP reporting for CORP (3/3), a=testonly

Bug 1618527 [wpt PR 22005] - Introduce COEP reporting for CORP (3/3), a=testonly

Automatic update from web-platform-tests
Introduce COEP reporting for CORP (3/3)

1: https://crrev.com/c/2074177
2: https://crrev.com/c/2075002
3: [this]

This series of CLs implements https://github.com/mikewest/corpp/pull/9.
We introduce network::mojom::CrossOriginEmbedderPolicyReporter and
its implementation content::CrossOriginEmbedderPolicyReporter, implement
the reporting logic in content::CrossOriginEmbedderPolicyReporter and
the CORP check, and plumb the mojo interface.

This CL creates CrossOriginEmbedderPolicyReport during the frame
navigation and dedicated worker initialization, and give it to the
network service so that (possibly potential) CORP blocks are reported.

Bug: 1052764
Change-Id: Ia39ff8277eb23d96025f5e6fba4e5a4fa6ffde70
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2076223
Commit-Queue: Yutaka Hirano <yhirano@chromium.org>
Reviewed-by: Kinuko Yasuda <kinuko@chromium.org>
Cr-Commit-Position: refs/heads/master@{#747176}

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wpt-commits: 0d183bf3945eda537d23f8d37afbde1dad982544
wpt-pr: 22005