Making RTCCertificate cloneable (WIP).

third_party/WebKit/public/platform/WebRTCCertificateGenerator.h

 /*
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
         const WebRTCKeyParams&,
         const WebURL&,
         const WebURL& firstPartyForCookies,
         uint64_t expiresMs,
         std::unique_ptr<WebRTCCertificateCallback> observer) = 0;
 
     // Determines if the parameters are supported by generateCertificate.
     // For example, if the number of bits of some parameter is too small or too large we
     // may want to reject it for security or performance reasons.
     virtual bool isSupportedKeyParams(const WebRTCKeyParams&) = 0;
+
+    // Creates a certificate from the PEM strings. See also |WebRTCCertificate::toPEM|.
+    virtual std::unique_ptr<WebRTCCertificate> fromPEM(
+        const std::string& pemPrivateKey,
+        const std::string& pemCertificate) = 0;
 };
 
 } // namespace blink
 
 #endif // WebRTCCertificateGenerator_h