crypto: Begin SubtleCrypto implementation (#33628)

* Update IDLs and Bindings conf

Signed-off-by: Daniel Adams <msub2official@gmail.com>

* Add AES crate

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* Implement DOM interfaces

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* IDL tidy

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* Remove deriveKey from inRealms for now until implemented

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* Fix CryptoKey rustdoc comments

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* Move string constants to top of file

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* Use properly rooted CryptoKey

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* Code clarity

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* Rework NormalizedAlgorithm to not hold a DOMString

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* Add Rustdoc for CryptoKey interface

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* Move ignore mallocsizeof to rand crate, remove from crypto

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* Update cargo lock

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* Fix key handling, implement exportKey with JWK TODO

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* Add missing spec link

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* Use create_buffer_source, remove aes dep from libservo

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* Fix crash when running in worker

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* Update expectations

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* fmt

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* Move CryptoKey and SubtleCrypto behind pref for now

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* Update expectations

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* Readd timeout expectation

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Signed-off-by: Daniel Adams <msub2official@gmail.com>

resources/prefs.json

@@ -7,6 +7,7 @@
   "dom.canvas_capture.enabled": false,
   "dom.canvas_text.enabled": true,
   "dom.compositionevent.enabled": false,
+  "dom.crypto.subtle.enabled": false,
   "dom.customelements.enabled": true,
   "dom.document.dblclick_dist": 1,
   "dom.document.dblclick_timeout": 300,