Support legacy offerToReceiveAudio/offerToReceiveVideo fields in RTCOfferOptions.

third_party/WebKit/Source/modules/mediastream/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 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 72 matching lines @@
 #include "public/platform/WebRTCDataChannelHandler.h"
 #include "public/platform/WebRTCDataChannelInit.h"
 #include "public/platform/WebRTCICECandidate.h"
 #include "public/platform/WebRTCKeyParams.h"
 #include "public/platform/WebRTCOfferOptions.h"
 #include "public/platform/WebRTCSessionDescription.h"
 #include "public/platform/WebRTCSessionDescriptionRequest.h"
 #include "public/platform/WebRTCStatsRequest.h"
 #include "public/platform/WebRTCVoidRequest.h"
 #include "wtf/CurrentTime.h"
-
+#include <algorithm>
 #include <memory>
 
 namespace blink {
 
 namespace {
 
 const char kSignalingStateClosedMessage[] = "The RTCPeerConnection's signalingState is 'closed'.";
 
 bool throwExceptionIfSignalingStateClosed(RTCPeerConnection::SignalingState state, ExceptionState& exceptionState)
 {
@@ skipping 30 matching lines @@
         return !iceCandidateInit.hasSdpMid() && !iceCandidateInit.hasSdpMLineIndex();
     }
 
     DCHECK(candidate.isRTCIceCandidate());
     return false;
 }
 
 WebRTCOfferOptions convertToWebRTCOfferOptions(const RTCOfferOptions& options)
 {
     return WebRTCOfferOptions(RTCOfferOptionsPlatform::create(
-        -1, -1,
+        options.hasOfferToReceiveVideo() ? std::max(options.offerToReceiveVideo(), 0) : -1,
+        options.hasOfferToReceiveAudio() ? std::max(options.offerToReceiveAudio(), 0) : -1,
         options.hasVoiceActivityDetection() ? options.voiceActivityDetection() : true,
         options.hasIceRestart() ? options.iceRestart() : false));
 }
 
 WebRTCAnswerOptions convertToWebRTCAnswerOptions(const RTCAnswerOptions& options)
 {
     return WebRTCAnswerOptions(RTCAnswerOptionsPlatform::create(
         options.hasVoiceActivityDetection() ? options.voiceActivityDetection() : true));
 }
 
@@ skipping 1058 matching lines @@
 {
     visitor->trace(m_localStreams);
     visitor->trace(m_remoteStreams);
     visitor->trace(m_dispatchScheduledEventRunner);
     visitor->trace(m_scheduledEvents);
     EventTargetWithInlineData::trace(visitor);
     ActiveDOMObject::trace(visitor);
 }
 
 } // namespace blink