Update some documentation for CertVerifyResult::verified_cert

chrome/browser/chromeos/net/cert_verify_proc_chromeos_unittest.cc

 // Copyright 2014 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 "chrome/browser/chromeos/net/cert_verify_proc_chromeos.h"
 
 #include <stddef.h>
 
 #include "crypto/nss_util_internal.h"
 #include "crypto/scoped_test_nss_chromeos_user.h"
@@ skipping 67 matching lines @@
   int VerifyWithAdditionalTrustAnchors(
       net::CertVerifyProc* verify_proc,
       const net::CertificateList& additional_trust_anchors,
       net::X509Certificate* cert,
       std::string* root_subject_name) {
     int flags = 0;
     net::CertVerifyResult verify_result;
     int error =
         verify_proc->Verify(cert, "127.0.0.1", std::string(), flags, NULL,
                             additional_trust_anchors, &verify_result);
-    if (verify_result.verified_cert.get() &&
-        !verify_result.verified_cert->GetIntermediateCertificates().empty()) {
+    if (!verify_result.verified_cert->GetIntermediateCertificates().empty()) {
       net::X509Certificate::OSCertHandle root =
           verify_result.verified_cert->GetIntermediateCertificates().back();
       root_subject_name->assign(root->subjectName);
     } else {
       root_subject_name->clear();
     }
     return error;
   }
 
   int Verify(net::CertVerifyProc* verify_proc,
@@ skipping 272 matching lines @@
 
 INSTANTIATE_TEST_CASE_P(
     Variations,
     CertVerifyProcChromeOSOrderingTest,
     ::testing::Combine(
         ::testing::Bool(),
         ::testing::Range(0, 1 << 2),
         ::testing::Values("d12", "d21", "1d2", "12d", "2d1", "21d")));
 
 }  // namespace chromeos