Revert of Adding iOS OpenSSL Implementation

net/cert/cert_verify_proc_ios.h

-// Copyright (c) 2016 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.
-
-#ifndef NET_CERT_CERT_VERIFY_PROC_IOS_H_
-#define NET_CERT_CERT_VERIFY_PROC_IOS_H_
-
-#include "net/cert/cert_verify_proc.h"
-
-namespace net {
-
-// Performs certificate path construction and validation using iOS's
-// Security.framework.
-class CertVerifyProcIOS : public CertVerifyProc {
- public:
-  CertVerifyProcIOS();
-
-  bool SupportsAdditionalTrustAnchors() const override;
-  bool SupportsOCSPStapling() const override;
-
- protected:
-  ~CertVerifyProcIOS() override;
-
- private:
-  int VerifyInternal(X509Certificate* cert,
-                     const std::string& hostname,
-                     const std::string& ocsp_response,
-                     int flags,
-                     CRLSet* crl_set,
-                     const CertificateList& additional_trust_anchors,
-                     CertVerifyResult* verify_result) override;
-};
-
-}  // namespace net
-
-#endif  // NET_CERT_CERT_VERIFY_PROC_IOS_H_