[Chromoting] Add platform data to heartbeats.

remoting/host/server_log_entry.cc

Index: remoting/host/server_log_entry.cc
diff --git a/remoting/host/server_log_entry.cc b/remoting/host/server_log_entry.cc
index 75e2595087d1caf924634a860af9e3e192822aa8..ff6db1019a8598fc128d77cdf523e96ae16e15f8 100644
--- a/remoting/host/server_log_entry.cc
+++ b/remoting/host/server_log_entry.cc
@@ -17,10 +17,13 @@ using remoting::protocol::Session;
 namespace remoting {
 
 namespace {
+const char kLogCommand[] = "log";
+
 const char kLogEntry[] = "entry";
 
 const char kKeyEventName[] = "event-name";
 const char kValueEventNameSessionState[] = "session-state";
+const char kValueEventNameHeartbeat[] = "heartbeat";
 
 const char kKeyRole[] = "role";
 const char kValueRoleHost[] = "host";
@@ -53,6 +56,11 @@ ServerLogEntry::ServerLogEntry() {
 ServerLogEntry::~ServerLogEntry() {
 }
 
+scoped_ptr<buzz::XmlElement> ServerLogEntry::MakeLogStanza() {
+  return scoped_ptr<buzz::XmlElement>(
+      new XmlElement(QName(kChromotingXmlNamespace, kLogCommand)));
+}
+
 ServerLogEntry* ServerLogEntry::MakeSessionStateChange(bool connected) {
   ServerLogEntry* entry = new ServerLogEntry();
   entry->Set(kKeyRole, kValueRoleHost);
@@ -61,6 +69,13 @@ ServerLogEntry* ServerLogEntry::MakeSessionStateChange(bool connected) {
   return entry;
 }
 
+ServerLogEntry* ServerLogEntry::MakeHeartbeat() {
+  ServerLogEntry* entry = new ServerLogEntry();
+  entry->Set(kKeyRole, kValueRoleHost);
+  entry->Set(kKeyEventName, kValueEventNameHeartbeat);
+  return entry;
+}
+
 void ServerLogEntry::AddHostFields() {
 #if defined(OS_WIN)
   Set(kKeyOsName, kValueOsNameWindows);