Refactor how net/data/verify_certificate_chain_unittest/*

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 0ba8938257fbb79c53431d2927ba7bc42e919a67..3779e1eeb9b4c84ef3c1478e88bb1b5d02812ff9 100644
--- a/net/cert/internal/test_helpers.h
+++ b/net/cert/internal/test_helpers.h
@@ -11,6 +11,7 @@
 #include <string>
 #include <vector>
 
+#include "base/files/file_path.h"
 #include "net/cert/internal/parsed_certificate.h"
 #include "net/cert/internal/trust_store.h"
 #include "net/cert/internal/verify_certificate_chain.h"
@@ -95,9 +96,6 @@ struct VerifyCertChainTest {
   // The Key Purpose to use when verifying the chain.
   KeyPurpose key_purpose = KeyPurpose::ANY_EKU;
 
-  // The expected result from verification.
-  bool expected_result = false;
-
   // The expected errors from verification (as a string).
   std::string expected_errors;
 };
@@ -105,9 +103,13 @@ struct VerifyCertChainTest {
 // Reads a test case from |file_path_ascii| (which is relative to //src).
 // Generally |file_path_ascii| will start with:
 //   net/data/verify_certificate_chain_unittest/
-void ReadVerifyCertChainTestFromFile(const std::string& file_path_ascii,
+bool ReadVerifyCertChainTestFromFile(const std::string& file_path_ascii,
                                      VerifyCertChainTest* test);
 
+// Reads a certificate chain from |file_path_ascii|
+bool ReadCertChainFromFile(const std::string& file_path_ascii,
+                           ParsedCertificateList* chain);
+
 // Reads a data file relative to the src root directory.
 std::string ReadTestFileToString(const std::string& file_path_ascii);