Generalize rebase-errors.py so it works for other files.

net/cert/internal/path_builder_verify_certificate_chain_unittest.cc

Index: net/cert/internal/path_builder_verify_certificate_chain_unittest.cc
diff --git a/net/cert/internal/path_builder_verify_certificate_chain_unittest.cc b/net/cert/internal/path_builder_verify_certificate_chain_unittest.cc
index 56149eb7684451e40c5aaa2027fbf761fdf1062c..3bc20ef08190ec9578153263ca15ee06525d036b 100644
--- a/net/cert/internal/path_builder_verify_certificate_chain_unittest.cc
+++ b/net/cert/internal/path_builder_verify_certificate_chain_unittest.cc
@@ -19,7 +19,8 @@ class PathBuilderDelegate {
                      const scoped_refptr<TrustAnchor>& trust_anchor,
                      const der::GeneralizedTime& time,
                      bool expected_result,
-                     const std::string& expected_errors) {
+                     const std::string& expected_errors,
+                     const std::string& test_file_path) {
     SimpleSignaturePolicy signature_policy(1024);
     ASSERT_FALSE(chain.empty());