[webcrypto] Remove RSA-ES support (2 of 3)

content/child/webcrypto/webcrypto_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/child/webcrypto/webcrypto_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
@@ skipping 119 matching lines @@
   if (status.IsError()) {
     CompleteWithError(status, result);
   } else {
     result->completeWithKey(key);
   }
 }
 
 bool IsAlgorithmAsymmetric(const blink::WebCryptoAlgorithm& algorithm) {
   // TODO(padolph): include all other asymmetric algorithms once they are
   // defined, e.g. EC and DH.
-  return (algorithm.id() == blink::WebCryptoAlgorithmIdRsaEsPkcs1v1_5 ||
-          algorithm.id() == blink::WebCryptoAlgorithmIdRsaSsaPkcs1v1_5 ||
-          algorithm.id() == blink::WebCryptoAlgorithmIdRsaOaep);
+  return webcrypto::IsAlgorithmRsa(algorithm.id());
 }
 
 // Gets a task runner for the current thread. The current thread is either:
 //
 //   * The main Blink thread
 //   * A Blink web worker thread
 //
 // A different mechanism is needed for posting to these threads. The main
 // thread has an associated message loop and can simply use
 // base::ThreadTaskRunnerHandle. Whereas the web worker threads are managed by
@@ skipping 586 matching lines @@
       &key);
 }
 
 bool WebCryptoImpl::serializeKeyForClone(
     const blink::WebCryptoKey& key,
     blink::WebVector<unsigned char>& key_data) {
   return webcrypto::SerializeKeyForClone(key, &key_data);
 }
 
 }  // namespace content