[Blimp Net] Add EngineAuthHandler.

blimp/net/engine_connection_manager.cc

Index: blimp/net/engine_connection_manager.cc
diff --git a/blimp/net/engine_connection_manager.cc b/blimp/net/engine_connection_manager.cc
index 549caa3e201e96588b0b6b78c81c04beabb1d063..aa27cc001112e802d94a2a1e31b486ba71a4d131 100644
--- a/blimp/net/engine_connection_manager.cc
+++ b/blimp/net/engine_connection_manager.cc
@@ -7,6 +7,7 @@
 #include "base/logging.h"
 #include "blimp/net/blimp_connection.h"
 #include "blimp/net/blimp_transport.h"
+#include "blimp/net/engine_auth_handler.h"
 #include "net/base/net_errors.h"
 
 namespace blimp {
@@ -34,7 +35,9 @@ void EngineConnectionManager::OnConnectResult(BlimpTransport* transport,
                                               int result) {
   // Expects engine transport to be reliably, thus |result| is always net::OK.
   CHECK(result == net::OK) << "Transport failure:" << transport->GetName();
-  connection_handler_->HandleConnection(transport->TakeConnection());
+  // EngineAuthHandler manages its own lifetime.
+  EngineAuthHandler* auth_handler = new EngineAuthHandler(connection_handler_);
+  auth_handler->HandleConnection(transport->TakeConnection());
   Connect(transport);
 }