Revert of Replacing DtlsIdentityStoreInterface with RTCCertificateGeneratorInterface.

webrtc/api/java/jni/peerconnection_jni.cc

 /*
  *  Copyright 2013 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 1585 matching lines @@
     if (!certificate) {
       LOG(LS_ERROR) << "Failed to generate certificate. KeyType: " << key_type;
       return 0;
     }
     rtc_config.certificates.push_back(certificate);
   }
 
   PCOJava* observer = reinterpret_cast<PCOJava*>(observer_p);
   observer->SetConstraints(new ConstraintsWrapper(jni, j_constraints));
   rtc::scoped_refptr<PeerConnectionInterface> pc(f->CreatePeerConnection(
-      rtc_config,
-      observer->constraints(),
-      nullptr,
-      std::unique_ptr<rtc::RTCCertificateGeneratorInterface>(),
-      observer));
+      rtc_config, observer->constraints(), NULL, NULL, observer));
   return (jlong)pc.release();
 }
 
 static rtc::scoped_refptr<PeerConnectionInterface> ExtractNativePC(
     JNIEnv* jni, jobject j_pc) {
   jfieldID native_pc_id = GetFieldID(jni,
       GetObjectClass(jni, j_pc), "nativePeerConnection", "J");
   jlong j_p = GetLongField(jni, j_pc, native_pc_id);
   return rtc::scoped_refptr<PeerConnectionInterface>(
       reinterpret_cast<PeerConnectionInterface*>(j_p));
@@ skipping 630 matching lines @@
   return JavaStringFromStdString(
       jni,
       reinterpret_cast<RtpReceiverInterface*>(j_rtp_receiver_pointer)->id());
 }
 
 JOW(void, RtpReceiver_free)(JNIEnv* jni, jclass, jlong j_rtp_receiver_pointer) {
   reinterpret_cast<RtpReceiverInterface*>(j_rtp_receiver_pointer)->Release();
 }
 
 }  // namespace webrtc_jni