Collect all ConnectionAttempts from both sockets in TransportConnectJob.

net/socket/transport_client_socket_pool.h

Index: net/socket/transport_client_socket_pool.h
diff --git a/net/socket/transport_client_socket_pool.h b/net/socket/transport_client_socket_pool.h
index de57d18aa80f803c24ddce436fce8d11035b306f..3e6099889a56cb639caeeb28d82bb3ace4ce553c 100644
--- a/net/socket/transport_client_socket_pool.h
+++ b/net/socket/transport_client_socket_pool.h
@@ -17,6 +17,7 @@
 #include "net/dns/single_request_host_resolver.h"
 #include "net/socket/client_socket_pool.h"
 #include "net/socket/client_socket_pool_base.h"
+#include "net/socket/connection_attempts.h"
 
 namespace net {
 
@@ -211,6 +212,10 @@ class NET_EXPORT_PRIVATE TransportConnectJob : public ConnectJob {
   int resolve_result_;
   int connect_result_;
 
+  // Saved when connections fail and passed up in GetAdditionalErrorState.
+  ConnectionAttempts connection_attempts_;
+  ConnectionAttempts fallback_connection_attempts_;
+
   DISALLOW_COPY_AND_ASSIGN(TransportConnectJob);
 };