Collect all ConnectionAttempts from both sockets in TransportConnectJob.

remoting/protocol/fake_stream_socket.cc

Index: remoting/protocol/fake_stream_socket.cc
diff --git a/remoting/protocol/fake_stream_socket.cc b/remoting/protocol/fake_stream_socket.cc
index 7e1519a9e93e44915d68a5ffec61a5eb424b4be8..b1b4afce7b1c75bb1a850745540dcc5b35bb8e0e 100644
--- a/remoting/protocol/fake_stream_socket.cc
+++ b/remoting/protocol/fake_stream_socket.cc
@@ -244,6 +244,11 @@ bool FakeStreamSocket::GetSSLInfo(net::SSLInfo* ssl_info) {
   return false;
 }
 
+void FakeStreamSocket::GetConnectionAttempts(ConnectionAttempts* out) const {
+  EXPECT_TRUE(task_runner_->BelongsToCurrentThread());
+  out->clear();
+}
+
 FakeStreamChannelFactory::FakeStreamChannelFactory()
     : task_runner_(base::ThreadTaskRunnerHandle::Get()),
       asynchronous_create_(false),