Add a key purpose parameter to Certificate PathBuilder.

net/cert/internal/test_helpers.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/cert/internal/test_helpers.h"
 
 #include "base/base64.h"
 #include "base/base_paths.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
@@ skipping 156 matching lines @@
                     std::move(root));
     } else if (block_type == kTimeHeader) {
       ASSERT_FALSE(has_time) << "Duplicate " << kTimeHeader;
       has_time = true;
       ASSERT_TRUE(der::ParseUTCTime(der::Input(&block_data), &test->time));
     } else if (block_type == kKeyPurpose) {
       ASSERT_FALSE(has_key_purpose) << "Duplicate " << kKeyPurpose;
       has_key_purpose = true;
 
       if (block_data == "anyExtendedKeyUsage") {
-        // TODO(eroman): test->key_purpose = ....
+        test->key_purpose = KeyPurpose::ANY_EKU;
       } else if (block_data == "serverAuth") {
-        // TODO(eroman): test->key_purpose = ....
+        test->key_purpose = KeyPurpose::SERVER_AUTH;
       } else if (block_data == "clientAuth") {
-        // TODO(eroman): test->key_purpose = ....
+        test->key_purpose = KeyPurpose::CLIENT_AUTH;
       } else {
         ADD_FAILURE() << "Unrecognized " << block_type << ": " << block_data;
       }
     } else if (block_type == kResultHeader) {
       ASSERT_FALSE(has_result) << "Duplicate " << kResultHeader;
       ASSERT_TRUE(block_data == "SUCCESS" || block_data == "FAIL")
           << "Unrecognized result: " << block_data;
       has_result = true;
       test->expected_result = block_data == "SUCCESS";
     } else if (block_type == kErrorsHeader) {
@@ skipping 19 matching lines @@
   std::string file_data;
   if (!base::ReadFileToString(filepath, &file_data)) {
     ADD_FAILURE() << "Couldn't read file: " << filepath.value();
     return std::string();
   }
 
   return file_data;
 }
 
 }  // namespace net