Add a user id parameter to connections

mojo/shell/tests/package_test_package.cc

 // Copyright 2016 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 <stddef.h>
 #include <stdint.h>
 
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 31 matching lines @@
         request_(std::move(request)),
         shell_(nullptr) {
     Start();
   }
   ~ProvidedShellClient() override {
     Join();
   }
 
  private:
   // mojo::ShellClient:
-  void Initialize(Shell* shell, const std::string& url, uint32_t id) override {
+  void Initialize(Shell* shell, const std::string& url,
+                  uint32_t id, uint32_t user_id) override {
     shell_ = shell;
     bindings_.set_connection_error_handler(
         base::Bind(&ProvidedShellClient::OnConnectionError,
                    base::Unretained(this)));
   }
   bool AcceptConnection(Connection* connection) override {
     connection->AddInterface<test::mojom::PackageTestService>(
         this);
     return true;
   }
@@ skipping 34 matching lines @@
       public InterfaceFactory<mojom::ShellClientFactory>,
       public InterfaceFactory<test::mojom::PackageTestService>,
       public mojom::ShellClientFactory,
       public test::mojom::PackageTestService {
  public:
   PackageTestShellClient() : shell_(nullptr) {}
   ~PackageTestShellClient() override {}
 
  private:
   // mojo::ShellClient:
-  void Initialize(Shell* shell, const std::string& url, uint32_t id) override {
+  void Initialize(Shell* shell, const std::string& url,
+                  uint32_t id, uint32_t user_id) override {
     shell_ = shell;
     bindings_.set_connection_error_handler(
         base::Bind(&PackageTestShellClient::OnConnectionError,
                    base::Unretained(this)));
   }
   bool AcceptConnection(Connection* connection) override {
     connection->AddInterface<ShellClientFactory>(this);
     connection->AddInterface<test::mojom::PackageTestService>(this);
     return true;
   }
@@ skipping 39 matching lines @@
 
 }  // namespace shell
 }  // namespace mojo
 
 
 MojoResult MojoMain(MojoHandle shell_handle) {
   MojoResult rv = mojo::ApplicationRunner(
       new mojo::shell::PackageTestShellClient).Run(shell_handle);
   return rv;
 }