[webcrypto] Remove support for null import algorithms.

content/child/webcrypto/webcrypto_util.h

Index: content/child/webcrypto/webcrypto_util.h
diff --git a/content/child/webcrypto/webcrypto_util.h b/content/child/webcrypto/webcrypto_util.h
index 3c82da96ec71d6211b739b021b679c7090a5ddf9..7ae007325e4ae710ee6243a570e1fdecbd5919e7 100644
--- a/content/child/webcrypto/webcrypto_util.h
+++ b/content/child/webcrypto/webcrypto_util.h
@@ -163,14 +163,6 @@ class CONTENT_EXPORT Status {
   // (implemention limitation), or the exponent was zero.
   static Status ErrorGenerateKeyPublicExponent();
 
-  // The algorithm was null when importing a raw-formatted key. In this case it
-  // is required.
-  static Status ErrorMissingAlgorithmImportRawKey();
-
-  // The algorithm was null when unwrapping a raw-formatted key. In this case it
-  // is required.
-  static Status ErrorMissingAlgorithmUnwrapRawKey();
-
   // The modulus bytes were empty when importing an RSA public key.
   static Status ErrorImportRsaEmptyModulus();