Add policies support to VerifyCertificateChain().

net/cert/internal/test_helpers.h

Index: net/cert/internal/test_helpers.h
diff --git a/net/cert/internal/test_helpers.h b/net/cert/internal/test_helpers.h
index dceb06821571d5c6c7a48861cfbe0db0645ad3dc..dd1059fe6ea5e09809b8b4faaed61e344a4fbaea 100644
--- a/net/cert/internal/test_helpers.h
+++ b/net/cert/internal/test_helpers.h
@@ -95,6 +95,11 @@ struct VerifyCertChainTest {
   // The Key Purpose to use when verifying the chain.
   KeyPurpose key_purpose = KeyPurpose::ANY_EKU;
 
+  bool initial_explicit_policy = false;
+  std::set<der::Input> user_initial_policy_set;
+  bool initial_policy_mapping_inhibit = false;
+  bool initial_any_policy_inhibit = false;
+
   // The expected errors/warnings from verification (as a string).
   std::string expected_errors;