RTCCertificate equals method for testing.

content/renderer/media/rtc_certificate.cc

 // Copyright (c) 2015 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.
 
 #include "content/renderer/media/rtc_certificate.h"
 
 #include "base/memory/ptr_util.h"
 #include "content/renderer/media/peer_connection_identity_store.h"
 #include "url/gurl.h"
 
@@ skipping 14 matching lines @@
 }
 
 const blink::WebRTCKeyParams& RTCCertificate::keyParams() const {
   return key_params_;
 }
 
 uint64_t RTCCertificate::expires() const {
   return certificate_->Expires();
 }
 
+bool RTCCertificate::equals(const blink::WebRTCCertificate& other) const {
+  return *certificate_ ==
+         *static_cast<const RTCCertificate&>(other).certificate_;
+}
+
 const rtc::scoped_refptr<rtc::RTCCertificate>&
 RTCCertificate::rtcCertificate() const {
   return certificate_;
 }
 
 }  // namespace content