Update ICE protocol to handle closed channel

remoting/protocol/fake_session.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/fake_session.h"
 
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 59 matching lines @@
 
 void FakeSession::SetTransport(Transport* transport) {
   transport_ = transport;
 }
 
 void FakeSession::Close(ErrorCode error) {
   closed_ = true;
   error_ = error;
   event_handler_->OnSessionStateChange(CLOSED);
 
-  FakeSession* peer = peer_.get();
+  base::WeakPtr<FakeSession> peer = peer_;
   if (peer) {
     peer->peer_.reset();
     peer_.reset();
-    peer->Close(error);
+
+    if (signaling_delay_.is_zero()) {
+      peer->Close(error);
+    } else {
+      base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
+          FROM_HERE, base::Bind(&FakeSession::Close, peer, error),
+          signaling_delay_);
+    }
   }
 }
 
 void FakeSession::SendTransportInfo(
     std::unique_ptr<buzz::XmlElement> transport_info) {
   if (!peer_)
     return;
 
   if (signaling_delay_.is_zero()) {
     peer_->ProcessTransportInfo(std::move(transport_info));
@@ skipping 25 matching lines @@
 void FakeSession::SetAttachment(size_t round,
                                 std::unique_ptr<buzz::XmlElement> attachment) {
   while (attachments_.size() <= round) {
     attachments_.emplace_back();
   }
   attachments_[round] = std::move(attachment);
 }
 
 }  // namespace protocol
 }  // namespace remoting