Revert of Refactoring of Cast-related crypto code

extensions/browser/api/cast_channel/cast_auth_util_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 "extensions/browser/api/cast_channel/cast_auth_util.h"
 
 #include <string>
 
 #include "base/macros.h"
 #include "extensions/common/api/cast_channel/cast_channel.pb.h"
@@ skipping 336 matching lines @@
       auth_response, CreatePeerCert());
   EXPECT_TRUE(result.success());
 }
 
 TEST_F(CastAuthUtilTest, VerifyBadCA) {
   AuthResponse auth_response = CreateAuthResponse();
   MangleString(auth_response.mutable_intermediate_certificate(0));
   AuthResult result = VerifyCredentials(
       auth_response, CreatePeerCert());
   EXPECT_FALSE(result.success());
-  EXPECT_EQ(AuthResult::ERROR_CERT_NOT_SIGNED_BY_TRUSTED_CA, result.error_type);
+  EXPECT_EQ(AuthResult::ERROR_FINGERPRINT_NOT_FOUND,
+            result.error_type);
 }
 
 TEST_F(CastAuthUtilTest, VerifyBadClientAuthCert) {
   AuthResponse auth_response = CreateAuthResponse();
   MangleString(auth_response.mutable_client_auth_certificate());
   AuthResult result = VerifyCredentials(
       auth_response, CreatePeerCert());
   EXPECT_FALSE(result.success());
   EXPECT_EQ(AuthResult::ERROR_CERT_PARSING_FAILED,
             result.error_type);
@@ skipping 17 matching lines @@
       auth_response, peer_cert);
   EXPECT_FALSE(result.success());
   EXPECT_EQ(AuthResult::ERROR_SIGNED_BLOBS_MISMATCH,
             result.error_type);
 }
 
 }  // namespace
 }  // namespace cast_channel
 }  // namespace core_api
 }  // namespace extensions