Add a key purpose parameter to Certificate PathBuilder.

net/cert/internal/path_builder_pkits_unittest.cc

Index: net/cert/internal/path_builder_pkits_unittest.cc
diff --git a/net/cert/internal/path_builder_pkits_unittest.cc b/net/cert/internal/path_builder_pkits_unittest.cc
index 2d16ee9bf4eecff287ed6a5eea9e97380f47d181..f11b5d9a0f51e90f9e09a65794f66a7d49b035db 100644
--- a/net/cert/internal/path_builder_pkits_unittest.cc
+++ b/net/cert/internal/path_builder_pkits_unittest.cc
@@ -92,7 +92,8 @@ class PathBuilderPkitsTestDelegate {
 
     CertPathBuilder::Result result;
     CertPathBuilder path_builder(std::move(target_cert), &trust_store,
-                                 &signature_policy, time, &result);
+                                 &signature_policy, time,
+                                 KeyPurpose::KEY_PURPOSE_ANY, &result);
     path_builder.AddCertIssuerSource(&cert_issuer_source);
 
     path_builder.Run();