Add a key purpose parameter to Certificate PathBuilder.

net/cert/cert_verify_proc_unittest.cc

 // Copyright (c) 2012 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/cert_verify_proc.h"
 
 #include <vector>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_path.h"
@@ skipping 31 matching lines @@
 #endif
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
 #include "base/mac/mac_util.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #endif
 
+// TODO(crbug.com/649017): Add tests that only certificates with
+// serverAuth are accepted.
+
 using net::test::IsError;
 using net::test::IsOk;
 
 using base::HexEncode;
 
 namespace net {
 
 namespace {
 
 const char kTLSFeatureExtensionHistogram[] =
@@ skipping 2323 matching lines @@
   int flags = 0;
   CertVerifyResult verify_result;
   int error = verify_proc->Verify(cert.get(), "127.0.0.1", std::string(), flags,
                                   NULL, CertificateList(), &verify_result);
   EXPECT_EQ(OK, error);
   histograms.ExpectTotalCount(kTLSFeatureExtensionHistogram, 0);
   histograms.ExpectTotalCount(kTLSFeatureExtensionOCSPHistogram, 0);
 }
 
 }  // namespace net