Reports host version, host os and host os version for It2me Host.

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 72c234500267a286cb403721bf3b67b5d2ebb40c..95c8be50e074282a6c0d1be03375990407210f95 100644
--- a/remoting/host/register_support_host_request.cc
+++ b/remoting/host/register_support_host_request.cc
@@ -11,9 +11,11 @@
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_number_conversions.h"
+#include "base/strings/stringize_macros.h"
 #include "base/time/time.h"
 #include "remoting/base/constants.h"
 #include "remoting/host/host_config.h"
+#include "remoting/host/host_details.h"
 #include "remoting/signaling/iq_sender.h"
 #include "remoting/signaling/jid_util.h"
 #include "remoting/signaling/signal_strategy.h"
@@ -32,6 +34,9 @@ const char kRegisterQueryTag[] = "register-support-host";
 const char kPublicKeyTag[] = "public-key";
 const char kSignatureTag[] = "signature";
 const char kSignatureTimeAttr[] = "time";
+const char kHostVersionTag[] = "host-version";
+const char kHostOsNameTag[] = "host-os-name";
+const char kHostOsVersionTag[] = "host-os-version";
 
 // Strings used to parse responses received from the bot.
 const char kRegisterQueryResultTag[] = "register-support-host-result";
@@ -84,13 +89,34 @@ bool RegisterSupportHostRequest::OnSignalStrategyIncomingStanza(
 
 std::unique_ptr<XmlElement>
 RegisterSupportHostRequest::CreateRegistrationRequest(const std::string& jid) {
-  std::unique_ptr<XmlElement> query(
-      new XmlElement(QName(kChromotingXmlNamespace, kRegisterQueryTag)));
-  XmlElement* public_key = new XmlElement(
+  auto query = base::MakeUnique<XmlElement>(
+      QName(kChromotingXmlNamespace, kRegisterQueryTag));
+
+  auto public_key = base::MakeUnique<XmlElement>(
       QName(kChromotingXmlNamespace, kPublicKeyTag));
   public_key->AddText(key_pair_->GetPublicKey());
-  query->AddElement(public_key);
+  query->AddElement(public_key.release());
+
   query->AddElement(CreateSignature(jid).release());
+
+  // Add host version.
+  auto host_version = base::MakeUnique<XmlElement>(
+      QName(kChromotingXmlNamespace, kHostVersionTag));
+  host_version->AddText(STRINGIZE(VERSION));
+  query->AddElement(host_version.release());
+
+  // Add host os name.
+  auto host_os_name = base::MakeUnique<XmlElement>(
+      QName(kChromotingXmlNamespace, kHostOsNameTag));
+  host_os_name->AddText(GetHostOperatingSystemName());
+  query->AddElement(host_os_name.release());
+
+  // Add host os version.
+  auto host_os_version = base::MakeUnique<XmlElement>(
+      QName(kChromotingXmlNamespace, kHostOsVersionTag));
+  host_os_version->AddText(GetHostOperatingSystemVersion());
+  query->AddElement(host_os_version.release());
+
   return query;
 }