Make caBLE version an octet instead of uint32.

Bug: 846544
Change-Id: Ia0d38c10b7b6d42a50ca97af45a3b54ac9f0843b
Reviewed-on: https://chromium-review.googlesource.com/1079893Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Commit-Queue: Kim Paulhamus <kpaulhamus@chromium.org>
Cr-Commit-Position: refs/heads/master@{#563086}

third_party/blink/public/platform/modules/webauth/authenticator.mojom

@@ -119,7 +119,7 @@ enum UserVerificationRequirement {
 // Cloud-assisted BLE extension data for getAssertion.
 struct CableAuthentication {
   // The caBLE version requested.
-  int32 version;
+  uint8 version;
 
   // A 16-byte ephemeral identifier that the browser will advertise.
   array<uint8, 16> client_eid;
@@ -136,7 +136,7 @@ struct CableAuthentication {
 // Cloud-assisted BLE extension data for makeCredential.
 struct CableRegistration {
   // The caBLE versions supported by the relying party.
-  array<int32> versions;
+  array<uint8> versions;
 
   // The 65-byte ECDSA ephemeral public key belonging to the relying party
   // for use in establishing an encrypted caBLE channel with an authenticator.

third_party/blink/renderer/modules/credentialmanager/cable_authentication_data.idl

@@ -3,7 +3,7 @@
 // found in the LICENSE file.
 
 dictionary CableAuthenticationData {
-  required long version;
+  required octet version;
   required BufferSource clientEid;
   required BufferSource authenticatorEid;
   required BufferSource sessionPreKey;

third_party/blink/renderer/modules/credentialmanager/cable_registration_data.idl

@@ -3,6 +3,6 @@
 // found in the LICENSE file.
 
 dictionary CableRegistrationData {
-  required sequence<long> versions;
+  required sequence<octet> versions;
   required BufferSource rpPublicKey;
 };