Add k-anonymity support for automation

spec.bs

@@ -109,14 +109,7 @@ spec: CSPEE; urlPrefix: https://w3c.github.io/webappsec-cspee/
     text: required csp; url: browsing-context-required-csp
 spec: webdriver; urlPrefix: https://w3c.github.io/webdriver/
   type: dfn
-    text: extension command; url: dfn-extension-commands
     text: getting a property; url: dfn-getting-properties
-    text: invalid argument; url: dfn-invalid-argument
-    text: remote end steps; url: dfn-remote-end-steps
-    text: success; url: dfn-success
-    text: undefined; url: dfn-undefined
-    text: WebDriver error; url: dfn-error
-    text: WebDriver error code; url: dfn-error-code
 </pre>
 
 <pre class=link-defaults>
@@ -9100,7 +9093,7 @@ an {{unsigned short}}-or-null |experimentGroupId|, an [=origin=] |topLevelOrigin
   for [=bidding partition/id=], and [=bidding partitions=] as their [=map/values=].
 1. Let |compressionIdMap| be an empty [=map=], whose [=map/keys=] are [=origins=] and [=map/values=] are integers.
 1. Let |interestGroupIdMap| be an empty [=map=], whose [=map/keys=] are [=strings=] and [=map/values=] are [=tuples=]
-  of (interger, integer).
+  of (integer, integer).
 1. Let |slotSizeParams| be the result of [=strictly splitting=] |slotSizeQueryParam| on U+003D (=).
 1. Let |nextCompressionGroupId| be 0.
 1. [=list/For each=] |group| of |interestGroups|:
@@ -10137,10 +10130,10 @@ defines the below [[WebDriver2]] [=extension commands=].
 ## <dfn>Set Protected Audience K-Anonymity</dfn> ## {#sctn-automation-set-protected-audience-k-anonymity}
 
 The [=Set Protected Audience K-Anonymity=] WebDriver [=extension command=] instructs the
-user agent to use the specified hashes as the only k-anonymous sets for the interest
-group with the given owner and name.
+user agent to use the specified hashes as the only k-anonymous sets for the
+[=interest group=] with the given [=interest group/owner=] and [=interest group/name=].
 
-The <dfn>k-anonymity overrides</dfn> is a [=map=] containing the currently
+The <dfn>k-anonymity overrides</dfn> is a [=map=] [=map/containing=] the currently
 active set of k-anonymity overrides, which is initially empty.
 The [=map/keys=] of [=k-anonymity overrides=] are [=tuples=] of (an [=origin=]
 for interest group owner, a [=string=] for interest group name).
@@ -10166,43 +10159,43 @@ The [=k-anonymity overrides=] are checked before and take precedence over the
     </table>
 </figure>
 
-The [=remote end steps=] are:
+<div algorithm="remote end steps">
+The <dfn export for="Protected Audience">remote end steps</dfn> are:
+
 1. If |parameters| is not a JSON [[ECMASCRIPT#sec-json-object|Object]], return a
-     [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
+     [=error|WebDriver error=] with [=error code=] [=invalid argument=].
 1. Let |owner| be the result of [=getting a property=] named `"owner"` from
     |parameters|.
-1. If |owner| is [=undefined=] or is not a [=string=], return a
-   [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
+1. If |owner| is {{undefined}} or is not a [=string=], return a
+   [=error|WebDriver error=] with [=error code=] [=invalid argument=].
 1. Let |owner origin| be the result running [=parse an https origin=] on |owner|.
-1. If |owner origin| is failure, return a [=WebDriver error=] with
-   [=WebDriver error code=] [=invalid argument=].
-
+1. If |owner origin| is failure, return a [=error|WebDriver error=] with
+   [=error code=] [=invalid argument=].
 1. Let |name| be the result of [=getting a property=] named `"name"` from
     |parameters|.
-1. If |name| is [=undefined=] or is not a [=string=], return a
-   [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
-
+1. If |name| is {{undefined}} or is not a [=string=], return a
+   [=error|WebDriver error=] with [=error code=] [=invalid argument=].
 1. Let |hashes| be the result of [=getting a property=] named `"hashes"` from
     |parameters|.
-1. If |hashes| is [=undefined=] or is not an [=list=], return a
-   [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
+1. If |hashes| is {{undefined}} or is not a [=list=], return a
+   [=error|WebDriver error=] with [=error code=] [=invalid argument=].
 1. Let |override| be a [=map=] whose [=map/keys=] are [=SHA-256=] hashes and
    whose [=map/values=] are [=k-anonymity records=].
 1. [=list/For each=] |hash string| of |hashes|:
   1. If |hash string| is not a [=string=], return a
-     [=WebDriver error=] with [=WebDriver error code=] [=invalid argument=].
+     [=error|WebDriver error=] with [=error code=] [=invalid argument=].
   1. Let |hash| be the result of running [=forgiving-base64 decode=] with |hash string|.
-  1. If |hash| is failure, return a [=WebDriver error=] with
-     [=WebDriver error code=] [=invalid argument=].
-  1. If |hash|'s [=byte sequence/length=] is not 32, return a [=WebDriver error=]
-     with [=WebDriver error code=] [=invalid argument=].
+  1. If |hash| is failure or |hash|'s [=byte sequence/length=] is not 32, return
+     a [=error|WebDriver error=] with [=error code=] [=invalid argument=].
   1. Let |record| be a new [=k-anonymity record=].
   1. Set |record|'s [=k-anonymity record/timestamp=] field to the [=current coarsened wall time=].
   1. Set |record|'s [=k-anonymity record/is k-anonymous=] field to true.
   1. [=map/Set=] |override|[|hash|] to |record|.
 1. Set [=k-anonymity overrides=][(|owner origin|,|name|)] to |override|.
 1. Return [=success=] with data `null`.
 
+</div>
+
 # Privacy Considerations # {#privacy-considerations}
 
 Protected Audience aims to advance the privacy of remarketing and custom audience