net: extract net/cert out of net/base

net/base/single_request_cert_verifier.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/base/single_request_cert_verifier.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "net/base/net_errors.h"
-#include "net/base/x509_certificate.h"
-
-namespace net {
-
-SingleRequestCertVerifier::SingleRequestCertVerifier(
-    CertVerifier* cert_verifier)
-    : cert_verifier_(cert_verifier),
-      cur_request_(NULL) {
-  DCHECK(cert_verifier_ != NULL);
-}
-
-SingleRequestCertVerifier::~SingleRequestCertVerifier() {
-  if (cur_request_) {
-    cert_verifier_->CancelRequest(cur_request_);
-    cur_request_ = NULL;
-  }
-}
-
-int SingleRequestCertVerifier::Verify(X509Certificate* cert,
-                                      const std::string& hostname,
-                                      int flags,
-                                      CRLSet* crl_set,
-                                      CertVerifyResult* verify_result,
-                                      const CompletionCallback& callback,
-                                      const BoundNetLog& net_log) {
-  // Should not be already in use.
-  DCHECK(!cur_request_ && cur_request_callback_.is_null());
-
-  CertVerifier::RequestHandle request = NULL;
-
-  // We need to be notified of completion before |callback| is called, so that
-  // we can clear out |cur_request_*|.
-  int rv = cert_verifier_->Verify(
-      cert, hostname, flags, crl_set, verify_result,
-      base::Bind(&SingleRequestCertVerifier::OnVerifyCompletion,
-                 base::Unretained(this)),
-      &request, net_log);
-
-  if (rv == ERR_IO_PENDING) {
-    // Cleared in OnVerifyCompletion().
-    cur_request_ = request;
-    cur_request_callback_ = callback;
-  }
-
-  return rv;
-}
-
-void SingleRequestCertVerifier::OnVerifyCompletion(int result) {
-  DCHECK(cur_request_ && !cur_request_callback_.is_null());
-
-  CompletionCallback callback = cur_request_callback_;
-
-  // Clear the outstanding request information.
-  cur_request_ = NULL;
-  cur_request_callback_.Reset();
-
-  // Call the user's original callback.
-  callback.Run(result);
-}
-
-}  // namespace net