Removed old RequestIdentity function signature

webrtc/api/dtlsidentitystore.h

 /*
  *  Copyright 2015 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 39 matching lines @@
 // This interface defines an in-memory DTLS identity store, which generates DTLS
 // identities.
 // APIs calls must be made on the signaling thread and the callbacks are also
 // called on the signaling thread.
 class DtlsIdentityStoreInterface {
  public:
   virtual ~DtlsIdentityStoreInterface() { }
 
   // The |observer| will be called when the requested identity is ready, or when
   // identity generation fails.
-  // TODO(torbjorng,hbos): There are currently two versions of RequestIdentity,
-  // with default implementation to call the other version of itself (so that a
-  // call can be made regardless of which version has been overridden). The 1st
-  // version exists because it is currently implemented in chromium. The 2nd
-  // version will become the one and only RequestIdentity as soon as chromium
-  // implements the correct version. crbug.com/544902, webrtc:5092.
-  virtual void RequestIdentity(
-      rtc::KeyParams key_params,
-      const rtc::scoped_refptr<DtlsIdentityRequestObserver>& observer) {
-    // Add default ("null") expiration.
-    RequestIdentity(key_params, rtc::Optional<uint64_t>(), observer);
-  }
   virtual void RequestIdentity(
       const rtc::KeyParams& key_params,
       const rtc::Optional<uint64_t>& expires_ms,
-      const rtc::scoped_refptr<DtlsIdentityRequestObserver>& observer) {
-    // Drop |expires|.
-    RequestIdentity(key_params, observer);
-  }
+      const rtc::scoped_refptr<DtlsIdentityRequestObserver>& observer) = 0;
 };
 
 // The WebRTC default implementation of DtlsIdentityStoreInterface.
 // Identity generation is performed on the worker thread.
 class DtlsIdentityStoreImpl : public DtlsIdentityStoreInterface,
                               public rtc::MessageHandler {
  public:
   // This will start to preemptively generating an RSA identity in the
   // background if the worker thread is not the same as the signaling thread.
   DtlsIdentityStoreImpl(rtc::Thread* signaling_thread,
@@ skipping 53 matching lines @@
     std::unique_ptr<rtc::SSLIdentity> free_identity_;
   };
 
   // One RequestInfo per KeyType. Only touch on the |signaling_thread_|.
   RequestInfo request_info_[rtc::KT_LAST];
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_DTLSIDENTITYSTORE_H_