[webcrypto] Give more descriptive error messages on Linux for unsupported functionality.

content/child/webcrypto/shared_crypto_unittest.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/shared_crypto.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
 
   blink::WebCryptoKey key = blink::WebCryptoKey::createNull();
   Status status = ImportKey(blink::WebCryptoKeyFormatRaw,
                             CryptoData(key_raw),
                             CreateAlgorithm(blink::WebCryptoAlgorithmIdAesGcm),
                             true,
                             blink::WebCryptoKeyUsageEncrypt,
                             &key);
 
   if (status.IsError())
-    EXPECT_EQ(Status::ErrorUnsupported(), status);
+    EXPECT_EQ(blink::WebCryptoErrorTypeNotSupported, status.error_type());
   return status.IsSuccess();
 }
 
 bool SupportsRsaOaep() {
 #if defined(USE_OPENSSL)
   return false;
 #else
 #if defined(USE_NSS)
   if (!NSS_VersionCheck("3.16.2"))
     return false;
@@ skipping 4189 matching lines @@
   EXPECT_EQ(public_key_spki, unwrapped_public_key_spki);
   EXPECT_EQ(private_key_pkcs8, unwrapped_private_key_pkcs8);
 
   EXPECT_NE(public_key_spki, wrapped_public_key);
   EXPECT_NE(private_key_pkcs8, wrapped_private_key);
 }
 
 }  // namespace webcrypto
 
 }  // namespace content