[K6] Replace bind() + GCed pointers with retainedRef()

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 94 matching lines @@
         exceptionState.throwDOMException(InvalidStateError, kSignalingStateClosedMessage);
         return true;
     }
 
     return false;
 }
 
 void asyncCallErrorCallback(RTCPeerConnectionErrorCallback* errorCallback, DOMException* exception)
 {
     DCHECK(errorCallback);
-    Microtask::enqueueMicrotask(bind(&RTCPeerConnectionErrorCallback::handleEvent, errorCallback, exception));
+    Microtask::enqueueMicrotask(bind(&RTCPeerConnectionErrorCallback::handleEvent, retainedRef(errorCallback), retainedRef(exception)));
 }
 
 bool callErrorCallbackIfSignalingStateClosed(RTCPeerConnection::SignalingState state, RTCPeerConnectionErrorCallback* errorCallback)
 {
     if (state == RTCPeerConnection::SignalingStateClosed) {
         if (errorCallback)
             asyncCallErrorCallback(errorCallback, DOMException::create(InvalidStateError, kSignalingStateClosedMessage));
 
         return true;
     }
@@ skipping 1030 matching lines @@
         m_iceConnectionState = iceConnectionState;
         return true;
     }
     return false;
 }
 
 void RTCPeerConnection::changeIceConnectionState(ICEConnectionState iceConnectionState)
 {
     if (m_iceConnectionState != ICEConnectionStateClosed) {
         scheduleDispatchEvent(Event::create(EventTypeNames::iceconnectionstatechange),
-            WTF::bind(&RTCPeerConnection::setIceConnectionState, this, iceConnectionState));
+            WTF::bind(&RTCPeerConnection::setIceConnectionState, retainedRef(this), iceConnectionState));
     }
 }
 
 void RTCPeerConnection::closeInternal()
 {
     DCHECK(m_signalingState != RTCPeerConnection::SignalingStateClosed);
     m_peerHandler->stop();
     m_closed = true;
 
     changeIceConnectionState(ICEConnectionStateClosed);
@@ skipping 36 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