Add path validation error expectations for PKITS tests.

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 d8b1c6992cc70b18fadb9ebb545dedd0b7d0ea60..d356e539c0af379c2e5f42639497a6241b1a8e22 100644
--- a/net/cert/internal/test_helpers.h
+++ b/net/cert/internal/test_helpers.h
@@ -127,6 +127,23 @@ bool ReadCertChainFromFile(const std::string& file_path_ascii,
 // Reads a data file relative to the src root directory.
 std::string ReadTestFileToString(const std::string& file_path_ascii);
 
+// Asserts that |actual_errors| matches |expected_errors_str|.
+//
+// This is a helper function to simplify rebasing the error expectations when
+// they originate from a test file.
+void VerifyCertPathErrors(const std::string& expected_errors_str,
+                          const CertPathErrors& actual_errors,
+                          const ParsedCertificateList& chain,
+                          const std::string& errors_file_path);
+
+// Asserts that |actual_errors| matches |expected_errors_str|.
+//
+// This is a helper function to simplify rebasing the error expectations when
+// they originate from a test file.
+void VerifyCertErrors(const std::string& expected_errors_str,
+                      const CertErrors& actual_errors,
+                      const std::string& errors_file_path);
+
 }  // namespace net
 
 #endif  // NET_CERT_INTERNAL_TEST_HELPERS_H_