[webauthn] testdriver API: Add isUserConsenting

Add `isUserConsenting` to the content shell testdriver API. This lets
us run the timeout WPTs.

Fixed: 1054810, 1054655
Change-Id: Id90567818a1fcda44794294fc3527790df056870
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2078833Reviewed-by: Ken Buchanan <kenrb@chromium.org>
Commit-Queue: Nina Satragno <nsatragno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#745147}

content/browser/webauth/virtual_fido_discovery_factory.cc

@@ -119,6 +119,7 @@ void VirtualFidoDiscoveryFactory::CreateAuthenticator(
   auto* authenticator = CreateAuthenticator(
       options->protocol, options->transport, options->attachment,
       options->has_resident_key, options->has_user_verification);
+  authenticator->SetUserPresence(options->is_user_present);
 
   std::move(callback).Run(GetMojoToVirtualAuthenticator(authenticator));
 }

third_party/blink/public/mojom/webauthn/virtual_authenticator.mojom

@@ -20,6 +20,7 @@ struct VirtualAuthenticatorOptions {
   blink.mojom.AuthenticatorAttachment attachment;
   bool has_resident_key;
   bool has_user_verification;
+  bool is_user_present = true;
 };
 
 // Encapsulates both public (key handle) and private information associated

third_party/blink/web_tests/external/wpt/webauthn/createcredential-timeout.https-expected.txt

-This is a testharness.js-based test.
-FAIL ensure create credential times out assert_unreached: Should have rejected: undefined Reached unreachable code
-Harness: the test ran to completion.
-

third_party/blink/web_tests/external/wpt/webauthn/getcredential-timeout.https-expected.txt

-This is a testharness.js-based test.
-FAIL WebAuthn navigator.credentials.get() timeout Tests assert_unreached: Should have rejected: undefined Reached unreachable code
-Harness: the test ran to completion.
-

third_party/blink/web_tests/resources/testdriver-vendor.js

@@ -322,6 +322,7 @@
     }
     mojoOptions.hasResidentKey = options.hasResidentKey;
     mojoOptions.hasUserVerification = options.hasUserVerification;
+    mojoOptions.isUserPresent = options.isUserConsenting;
 
     let authenticator = (await manager.createAuthenticator(mojoOptions)).authenticator;
     return (await authenticator.getUniqueId()).id;