Refactor WebRTC certificate generation to use WebPassOwnPtr.

third_party/WebKit/Source/platform/mediastream/RTCConfiguration.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:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 79 matching lines @@
     size_t numberOfServers() { return m_servers.size(); }
     RTCIceServer* server(size_t index) { return m_servers[index].get(); }
 
     void setIceTransports(RTCIceTransports iceTransports) { m_iceTransports = iceTransports; }
     RTCIceTransports iceTransports() { return m_iceTransports; }
     void setBundlePolicy(RTCBundlePolicy bundlePolicy) { m_bundlePolicy = bundlePolicy; }
     RTCBundlePolicy bundlePolicy() { return m_bundlePolicy; }
     void setRtcpMuxPolicy(RTCRtcpMuxPolicy rtcpMuxPolicy) { m_rtcpMuxPolicy = rtcpMuxPolicy; }
     RTCRtcpMuxPolicy rtcpMuxPolicy() { return m_rtcpMuxPolicy; }
 
-    // Takes ownership of |certificate|.
-    void appendCertificate(WebRTCCertificate* certificate) { m_certificates.append(adoptPtr(certificate)); }
+    void appendCertificate(WebPassOwnPtr<WebRTCCertificate> certificate) { m_certificates.append(certificate.release()); }
     size_t numberOfCertificates() const { return m_certificates.size(); }
     WebRTCCertificate* certificate(size_t index) const { return m_certificates[index].get(); }
 
     DEFINE_INLINE_TRACE() { visitor->trace(m_servers); }
 
 private:
     RTCConfiguration() :
         m_iceTransports(RTCIceTransportsAll),
         m_bundlePolicy(RTCBundlePolicyBalanced),
         m_rtcpMuxPolicy(RTCRtcpMuxPolicyNegotiate) { }
 
     HeapVector<Member<RTCIceServer>> m_servers;
     RTCIceTransports m_iceTransports;
     RTCBundlePolicy m_bundlePolicy;
     RTCRtcpMuxPolicy m_rtcpMuxPolicy;
     Vector<OwnPtr<WebRTCCertificate>> m_certificates;
 };
 
 } // namespace blink
 
 #endif // RTCConfiguration_h