Normalize JIDs when generating signatures for messages sent to CRD bot.

remoting/host/register_support_host_request.cc

Index: remoting/host/register_support_host_request.cc
diff --git a/remoting/host/register_support_host_request.cc b/remoting/host/register_support_host_request.cc
index c0a80d1ac4eede335cc1f86b9164eb9f7298e857..265da434b5e145abef1fc6ba49a392aba1296db2 100644
--- a/remoting/host/register_support_host_request.cc
+++ b/remoting/host/register_support_host_request.cc
@@ -12,6 +12,7 @@
 #include "remoting/base/constants.h"
 #include "remoting/host/host_config.h"
 #include "remoting/signaling/iq_sender.h"
+#include "remoting/signaling/jid_util.h"
 #include "remoting/signaling/signal_strategy.h"
 #include "third_party/webrtc/libjingle/xmllite/xmlelement.h"
 #include "third_party/webrtc/libjingle/xmpp/constants.h"
@@ -97,7 +98,7 @@ scoped_ptr<XmlElement> RegisterSupportHostRequest::CreateSignature(
   signature_tag->AddAttr(
       QName(kChromotingXmlNamespace, kSignatureTimeAttr), time_str);
 
-  std::string message = jid + ' ' + time_str;
+  std::string message = NormalizeJid(jid) + ' ' + time_str;
   std::string signature(key_pair_->SignMessage(message));
   signature_tag->AddText(signature);