Miscelaneous updates to WebCrypto to match latest spec.
* Matches version 2ac0c945d78d8b66246ce47c5a366a1fd6464aa5 of
https://github.com/w3c/webcrypto
* Adds comments referencing the spec procedure text
* Renames "algorithm" --> "normalizedAlgorithm" to match spec text
* Re-orders an algorithm normalization step
* Changes DataError --> TypeError for an importKey() case
BUG=628413
Review-Url: https://codereview.chromium.org/2159313002
Cr-Commit-Position: refs/heads/master@{#406467}
3 files changed