Provide method for returning certificate expiration timestamp.

webrtc/base/opensslidentity.h

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 69 matching lines @@
   // Compute the digest of a certificate as an X509 *
   static bool ComputeDigest(const X509* x509,
                             const std::string& algorithm,
                             unsigned char* digest,
                             size_t size,
                             size_t* length);
 
   bool GetSignatureDigestAlgorithm(std::string* algorithm) const override;
   bool GetChain(SSLCertChain** chain) const override;
 
+  int64_t CertificateExpirationTime() const override;
+
  private:
   void AddReference() const;
 
   X509* x509_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(OpenSSLCertificate);
 };
 
 // Holds a keypair and certificate together, and a method to generate
 // them consistently.
@@ skipping 20 matching lines @@
   scoped_ptr<OpenSSLKeyPair> key_pair_;
   scoped_ptr<OpenSSLCertificate> certificate_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(OpenSSLIdentity);
 };
 
 
 }  // namespace rtc
 
 #endif  // WEBRTC_BASE_OPENSSLIDENTITY_H_