Revert of Enable -Winconsistent-missing-override flag.

webrtc/p2p/base/faketransportcontroller.h

 /*
  *  Copyright 2009 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 213 matching lines @@
   const Candidates& remote_candidates() const { return remote_candidates_; }
 
   void OnMessage(rtc::Message* msg) override {
     PacketMessageData* data = static_cast<PacketMessageData*>(msg->pdata);
     dest_->SignalReadPacket(dest_, data->packet.data<char>(),
                             data->packet.size(), rtc::CreatePacketTime(0), 0);
     delete data;
   }
 
   bool SetLocalCertificate(
-      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) override {
+      const rtc::scoped_refptr<rtc::RTCCertificate>& certificate) {
     local_cert_ = certificate;
     return true;
   }
 
   void SetRemoteSSLCertificate(rtc::FakeSSLCertificate* cert) {
     remote_cert_ = cert;
   }
 
   bool IsDtlsActive() const override { return do_dtls_; }
 
   bool SetSrtpCryptoSuites(const std::vector<int>& ciphers) override {
     srtp_ciphers_ = ciphers;
     return true;
   }
 
   bool GetSrtpCryptoSuite(int* crypto_suite) override {
     if (chosen_crypto_suite_ != rtc::SRTP_INVALID_CRYPTO_SUITE) {
       *crypto_suite = chosen_crypto_suite_;
       return true;
     }
     return false;
   }
 
   bool GetSslCipherSuite(int* cipher_suite) override { return false; }
 
-  rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const override {
+  rtc::scoped_refptr<rtc::RTCCertificate> GetLocalCertificate() const {
     return local_cert_;
   }
 
   std::unique_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate()
       const override {
     return remote_cert_ ? std::unique_ptr<rtc::SSLCertificate>(
                               remote_cert_->GetReference())
                         : nullptr;
   }
 
@@ skipping 301 matching lines @@
     }
   }
 
  private:
   bool fail_create_channel_;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_FAKETRANSPORTCONTROLLER_H_