Refactor VerifyCertificateChain test data to include a key purpose

net/cert/internal/path_builder_verify_certificate_chain_unittest.cc

 // Copyright 2016 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 "net/cert/internal/path_builder.h"
 
 #include "net/cert/internal/cert_issuer_source_static.h"
 #include "net/cert/internal/signature_policy.h"
 #include "net/cert/internal/trust_store_in_memory.h"
 #include "net/cert/internal/verify_certificate_chain_typed_unittest.h"
 
 namespace net {
 
 namespace {
 
 class PathBuilderDelegate {
  public:
-  static void Verify(const ParsedCertificateList& chain,
-                     const scoped_refptr<TrustAnchor>& trust_anchor,
-                     const der::GeneralizedTime& time,
-                     bool expected_result,
-                     const std::string& expected_errors,
+  static void Verify(const VerifyCertChainTest& test,
                      const std::string& test_file_path) {
     SimpleSignaturePolicy signature_policy(1024);
-    ASSERT_FALSE(chain.empty());
+    ASSERT_FALSE(test.chain.empty());
 
     TrustStoreInMemory trust_store;
-    trust_store.AddTrustAnchor(trust_anchor);
+    trust_store.AddTrustAnchor(test.trust_anchor);
 
     CertIssuerSourceStatic intermediate_cert_issuer_source;
-    for (size_t i = 1; i < chain.size(); ++i)
-      intermediate_cert_issuer_source.AddCert(chain[i]);
+    for (size_t i = 1; i < test.chain.size(); ++i)
+      intermediate_cert_issuer_source.AddCert(test.chain[i]);
 
     CertPathBuilder::Result result;
     // First cert in the |chain| is the target.
-    CertPathBuilder path_builder(chain.front(), &trust_store, &signature_policy,
-                                 time, &result);
+    CertPathBuilder path_builder(test.chain.front(), &trust_store,
+                                 &signature_policy, test.time, &result);
     path_builder.AddCertIssuerSource(&intermediate_cert_issuer_source);
 
     path_builder.Run();
-    EXPECT_EQ(expected_result, result.HasValidPath());
+    EXPECT_EQ(test.expected_result, result.HasValidPath());
   }
 };
 
 }  // namespace
 
 INSTANTIATE_TYPED_TEST_CASE_P(PathBuilder,
                               VerifyCertificateChainSingleRootTest,
                               PathBuilderDelegate);
 
 }  // namespace net