[Draft] Fix canceling pin prompt causes host overload

remoting/protocol/fake_authenticator.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_authenticator.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/base/io_buffer.h"
 #include "net/socket/stream_socket.h"
@@ skipping 98 matching lines @@
 
   // We are not done yet. process next message.
   if ((messages_ % 2 == 0 && type_ == CLIENT) ||
       (messages_ % 2 == 1 && type_ == HOST)) {
     return MESSAGE_READY;
   } else {
     return WAITING_MESSAGE;
   }
 }
 
+bool FakeAuthenticator::started() const {
+  return messages_ > 0;
+}
+
 Authenticator::RejectionReason FakeAuthenticator::rejection_reason() const {
   EXPECT_EQ(REJECTED, state());
   return INVALID_CREDENTIALS;
 }
 
 void FakeAuthenticator::ProcessMessage(const buzz::XmlElement* message,
                                        const base::Closure& resume_callback) {
   EXPECT_EQ(WAITING_MESSAGE, state());
   std::string id =
       message->TextNamed(buzz::QName(kChromotingXmlNamespace, "id"));
@@ skipping 35 matching lines @@
 scoped_ptr<Authenticator> FakeHostAuthenticatorFactory::CreateAuthenticator(
     const std::string& local_jid,
     const std::string& remote_jid,
     const buzz::XmlElement* first_message) {
   return scoped_ptr<Authenticator>(new FakeAuthenticator(
       FakeAuthenticator::HOST, round_trips_, action_, async_));
 }
 
 }  // namespace protocol
 }  // namespace remoting