[webcrypto] Remove support for null import algorithms.

content/child/webcrypto/status.h

Index: content/child/webcrypto/status.h
diff --git a/content/child/webcrypto/status.h b/content/child/webcrypto/status.h
index e4941ceb492c0cd7b830bf1058221426d9dd8e18..4fae5d4698d769e5c63b6c081da008c0e2b843cc 100644
--- a/content/child/webcrypto/status.h
+++ b/content/child/webcrypto/status.h
@@ -77,10 +77,6 @@ class CONTENT_EXPORT Status {
   // specified by the Web Crypto import operation.
   static Status ErrorJwkAlgorithmInconsistent();
 
-  // The "alg" parameter was not provided, however neither was an algorithm
-  // provided by the Web Crypto import operation.
-  static Status ErrorJwkAlgorithmMissing();
-
   // The "use" parameter was specified, however it couldn't be converted to an
   // equivalent Web Crypto usage.
   static Status ErrorJwkUnrecognizedUse();
@@ -167,14 +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();