Fix intermittent connection failure in CRD.

remoting/signaling/fake_signal_strategy.h

 // Copyright 2014 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.
 
 #ifndef REMOTING_SIGNALING_FAKE_SIGNAL_STRATEGY_H_
 #define REMOTING_SIGNALING_FAKE_SIGNAL_STRATEGY_H_
 
 #include <list>
 #include <queue>
 #include <string>
@@ skipping 17 matching lines @@
   // must belong to the current thread.
   static void Connect(FakeSignalStrategy* peer1, FakeSignalStrategy* peer2);
 
   FakeSignalStrategy(const std::string& jid);
   ~FakeSignalStrategy() override;
 
   const std::list<buzz::XmlElement*>& received_messages() {
     return received_messages_;
   }
 
+  void set_send_delay(base::TimeDelta delay) {
+    send_delay_ = delay;
+  }
+
   // Connects current FakeSignalStrategy to receive messages from |peer|.
   void ConnectTo(FakeSignalStrategy* peer);
 
   // SignalStrategy interface.
   void Connect() override;
   void Disconnect() override;
   State GetState() const override;
   Error GetError() const override;
   std::string GetLocalJid() const override;
   void AddListener(Listener* listener) override;
@@ skipping 15 matching lines @@
   void SetPeerCallback(const PeerCallback& peer_callback);
 
   scoped_refptr<base::SingleThreadTaskRunner> main_thread_;
 
   std::string jid_;
   PeerCallback peer_callback_;
   ObserverList<Listener, true> listeners_;
 
   int last_id_;
 
+  base::TimeDelta send_delay_;
+
   // All received messages, includes thouse still in |pending_messages_|.
   std::list<buzz::XmlElement*> received_messages_;
 
   base::WeakPtrFactory<FakeSignalStrategy> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeSignalStrategy);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_SIGNALING_FAKE_SIGNAL_STRATEGY_H_