Add a key purpose parameter to Certificate PathBuilder.

net/cert/internal/verify_certificate_chain_unittest.cc

 // Copyright 2015 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/verify_certificate_chain.h"
 
 #include "net/cert/internal/signature_policy.h"
 #include "net/cert/internal/trust_store.h"
 #include "net/cert/internal/verify_certificate_chain_typed_unittest.h"
 
 namespace net {
 
 namespace {
 
 class VerifyCertificateChainDelegate {
  public:
   static void Verify(const VerifyCertChainTest& test,
                      const std::string& test_file_path) {
     ASSERT_TRUE(test.trust_anchor);
 
     SimpleSignaturePolicy signature_policy(1024);
 
     CertPathErrors errors;
     bool result = VerifyCertificateChain(test.chain, test.trust_anchor.get(),
-                                         &signature_policy, test.time, &errors);
+                                         &signature_policy, test.time,
+                                         test.key_purpose, &errors);
     EXPECT_EQ(test.expected_result, result);
     EXPECT_EQ(test.expected_errors, errors.ToDebugString(test.chain))
         << "Test file: " << test_file_path;
     EXPECT_EQ(result, !errors.ContainsHighSeverityErrors());
   }
 };
 
 }  // namespace
 
 INSTANTIATE_TYPED_TEST_CASE_P(VerifyCertificateChain,
                               VerifyCertificateChainSingleRootTest,
                               VerifyCertificateChainDelegate);
 
 }  // namespace net