Add a user id parameter to connections

mojo/services/test_service/test_request_tracker_application.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/services/test_service/test_request_tracker_application.h"
 
 #include <assert.h>
 #include <utility>
 
 #include "mojo/public/c/system/main.h"
 #include "mojo/services/test_service/test_time_service_impl.h"
 #include "mojo/shell/public/cpp/application_runner.h"
 #include "mojo/shell/public/cpp/connection.h"
 
 namespace mojo {
 namespace test {
 
 TestRequestTrackerApplication::TestRequestTrackerApplication()
     : shell_(nullptr) {}
 TestRequestTrackerApplication::~TestRequestTrackerApplication() {}
 
 void TestRequestTrackerApplication::Initialize(Shell* shell,
                                                const std::string& url,
-                                               uint32_t id) {
+                                               uint32_t id,
+                                               uint32_t user_id) {
   shell_ = shell;
 }
 
 bool TestRequestTrackerApplication::AcceptConnection(Connection* connection) {
   // Every instance of the service and recorder shares the context.
   // Note, this app is single-threaded, so this is thread safe.
   connection->AddInterface<TestTimeService>(this);
   connection->AddInterface<TestRequestTracker>(this);
   connection->AddInterface<TestTrackedRequestService>(this);
   return true;
@@ skipping 18 matching lines @@
 }
 
 }  // namespace test
 }  // namespace mojo
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   mojo::ApplicationRunner runner(
       new mojo::test::TestRequestTrackerApplication);
   return runner.Run(shell_handle);
 }