Add a key purpose parameter to Certificate PathBuilder.

net/tools/cert_verify_tool/verify_using_path_builder.cc

Index: net/tools/cert_verify_tool/verify_using_path_builder.cc
diff --git a/net/tools/cert_verify_tool/verify_using_path_builder.cc b/net/tools/cert_verify_tool/verify_using_path_builder.cc
index 271730646c68695fed64213aa90579ad0ac55fc7..9730f607717d2113c06859781d0866eed2e764d4 100644
--- a/net/tools/cert_verify_tool/verify_using_path_builder.cc
+++ b/net/tools/cert_verify_tool/verify_using_path_builder.cc
@@ -261,8 +261,9 @@ bool VerifyUsingPathBuilder(
   // Verify the chain.
   net::SimpleSignaturePolicy signature_policy(2048);
   net::CertPathBuilder::Result result;
-  net::CertPathBuilder path_builder(target_cert, &trust_store,
-                                    &signature_policy, time, &result);
+  net::CertPathBuilder path_builder(
+      target_cert, &trust_store, &signature_policy, time,
+      net::KeyPurpose::KEY_PURPOSE_SERVER_AUTH, &result);
   path_builder.AddCertIssuerSource(&intermediate_cert_issuer_source);
 #if defined(USE_NSS_CERTS)
   net::CertIssuerSourceNSS cert_issuer_source_nss;