Replacing SSLIdentity* with scoped_refptr<RTCCertificate> in TransportChannel layer

webrtc/p2p/base/transportchannelproxy.h

Index: webrtc/p2p/base/transportchannelproxy.h
diff --git a/webrtc/p2p/base/transportchannelproxy.h b/webrtc/p2p/base/transportchannelproxy.h
index 3a69bccb4c0a818f9b4a654624a05e58e86efb6c..3d55d10694ffff10e190724c6b19ca155510bf92 100644
--- a/webrtc/p2p/base/transportchannelproxy.h
+++ b/webrtc/p2p/base/transportchannelproxy.h
@@ -35,39 +35,39 @@ class TransportChannelProxy : public TransportChannel,
  public:
   TransportChannelProxy(const std::string& content_name,
                         int component);
-  virtual ~TransportChannelProxy();
+  ~TransportChannelProxy() override;
 
   TransportChannelImpl* impl() { return impl_; }
 
-  virtual TransportChannelState GetState() const;
+  TransportChannelState GetState() const override;
 
   // Sets the implementation to which we will proxy.
   void SetImplementation(TransportChannelImpl* impl);
 
   // Implementation of the TransportChannel interface.  These simply forward to
   // the implementation.
-  virtual int SendPacket(const char* data, size_t len,
-                         const rtc::PacketOptions& options,
-                         int flags);
-  virtual int SetOption(rtc::Socket::Option opt, int value);
-  virtual bool GetOption(rtc::Socket::Option opt, int* value);
-  virtual int GetError();
+  int SendPacket(const char* data, size_t len,
+                 const rtc::PacketOptions& options,
+                 int flags) override;
+  int SetOption(rtc::Socket::Option opt, int value) override;
+  bool GetOption(rtc::Socket::Option opt, int* value) override;
+  int GetError() override;
   virtual IceRole GetIceRole() const;
-  virtual bool GetStats(ConnectionInfos* infos);
-  virtual bool IsDtlsActive() const;
-  virtual bool GetSslRole(rtc::SSLRole* role) const;
+  bool GetStats(ConnectionInfos* infos) override;
+  bool IsDtlsActive() const override;
+  bool GetSslRole(rtc::SSLRole* role) const override;
   virtual bool SetSslRole(rtc::SSLRole role);
-  virtual bool SetSrtpCiphers(const std::vector<std::string>& ciphers);
-  virtual bool GetSrtpCipher(std::string* cipher);
-  virtual bool GetSslCipher(std::string* cipher);
-  virtual bool GetLocalIdentity(rtc::SSLIdentity** identity) const;
-  virtual bool GetRemoteCertificate(rtc::SSLCertificate** cert) const;
-  virtual bool ExportKeyingMaterial(const std::string& label,
+  bool SetSrtpCiphers(const std::vector<std::string>& ciphers) override;
+  bool GetSrtpCipher(std::string* cipher) override;
+  bool GetSslCipher(std::string* cipher) override;
+  rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const override;
+  bool GetRemoteSSLCertificate(rtc::SSLCertificate** cert) const override;
+  bool ExportKeyingMaterial(const std::string& label,
                             const uint8* context,
                             size_t context_len,
                             bool use_context,
                             uint8* result,
-                            size_t result_len);
+                            size_t result_len) override;
 
  private:
   // Catch signals from the implementation channel.  These just forward to the