Implement exponential backoff for failed Me2Me authentication attempts

remoting/protocol/jingle_session.cc

Index: remoting/protocol/jingle_session.cc
diff --git a/remoting/protocol/jingle_session.cc b/remoting/protocol/jingle_session.cc
index ae449401540de8ef477968c6744fc7ccf0b655bc..d42d33fd5d1c3bd315d4b97ea7ecad6fdd72564b 100644
--- a/remoting/protocol/jingle_session.cc
+++ b/remoting/protocol/jingle_session.cc
@@ -471,6 +471,9 @@ void JingleSession::OnTerminate(const JingleMessage& message,
     case JingleMessage::DECLINE:
       error_ = AUTHENTICATION_FAILED;
       break;
+    case JingleMessage::CANCEL:
+      error_ = HOST_IS_DISABLED;
+      break;
     case JingleMessage::GENERAL_ERROR:
       error_ = CHANNEL_CONNECTION_ERROR;
       break;
@@ -546,6 +549,9 @@ void JingleSession::CloseInternal(ErrorCode error) {
       case INCOMPATIBLE_PROTOCOL:
         reason = JingleMessage::INCOMPATIBLE_PARAMETERS;
         break;
+      case HOST_IS_DISABLED:
+        reason = JingleMessage::CANCEL;
+        break;
       default:
         reason = JingleMessage::GENERAL_ERROR;
     }