[Draft] Fix canceling pin prompt causes host overload

remoting/protocol/fake_authenticator.cc

Index: remoting/protocol/fake_authenticator.cc
diff --git a/remoting/protocol/fake_authenticator.cc b/remoting/protocol/fake_authenticator.cc
index 67f5d351db99787732997151327ce0b282e08f58..8fd9f930ccc5e3b23fb92eac171ca25ea6d9dee4 100644
--- a/remoting/protocol/fake_authenticator.cc
+++ b/remoting/protocol/fake_authenticator.cc
@@ -79,12 +79,24 @@ void FakeChannelAuthenticator::OnAuthBytesRead(int result) {
 }
 
 FakeAuthenticator::FakeAuthenticator(
+    Type type, int round_trips, int messages_till_started,
+    Action action, bool async)
+    : type_(type),
+      round_trips_(round_trips),
+      action_(action),
+      async_(async),
+      messages_(0),
+      messages_till_started_(messages_till_started) {
+}
+
+FakeAuthenticator::FakeAuthenticator(
     Type type, int round_trips, Action action, bool async)
     : type_(type),
       round_trips_(round_trips),
       action_(action),
       async_(async),
-      messages_(0) {
+      messages_(0),
+      messages_till_started_(0) {
 }
 
 FakeAuthenticator::~FakeAuthenticator() {
@@ -116,6 +128,10 @@ Authenticator::State FakeAuthenticator::state() const {
   }
 }
 
+bool FakeAuthenticator::started() const {
+  return messages_ > messages_till_started_;
+}
+
 Authenticator::RejectionReason FakeAuthenticator::rejection_reason() const {
   EXPECT_EQ(REJECTED, state());
   return INVALID_CREDENTIALS;
@@ -153,8 +169,10 @@ FakeAuthenticator::CreateChannelAuthenticator() const {
 }
 
 FakeHostAuthenticatorFactory::FakeHostAuthenticatorFactory(
-    int round_trips, FakeAuthenticator::Action action, bool async)
+    int round_trips, int messages_till_started,
+    FakeAuthenticator::Action action, bool async)
     : round_trips_(round_trips),
+      messages_till_started_(messages_till_started),
       action_(action), async_(async) {
 }
 
@@ -166,7 +184,8 @@ scoped_ptr<Authenticator> FakeHostAuthenticatorFactory::CreateAuthenticator(
     const std::string& remote_jid,
     const buzz::XmlElement* first_message) {
   return scoped_ptr<Authenticator>(new FakeAuthenticator(
-      FakeAuthenticator::HOST, round_trips_, action_, async_));
+      FakeAuthenticator::HOST, round_trips_,
+      messages_till_started_, action_, async_));
 }
 
 }  // namespace protocol