Add a user id parameter to connections

mojo/shell/standalone/context.cc

 // Copyright 2013 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/shell/standalone/context.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 137 matching lines @@
         blocking_pool_.get(), native_runner_delegate_));
   }
   application_manager_.reset(new ApplicationManager(
       std::move(runner_factory), blocking_pool_.get(), true));
 
   shell::mojom::InterfaceProviderPtr tracing_remote_interfaces;
   shell::mojom::InterfaceProviderPtr tracing_local_interfaces;
   new TracingInterfaceProvider(&tracer_, GetProxy(&tracing_local_interfaces));
 
   scoped_ptr<ConnectParams> params(new ConnectParams);
-  params->set_source(Identity(GURL("mojo:shell"), std::string(),
-                              GetPermissiveCapabilityFilter()));
+  params->set_source(CreateShellIdentity());
   params->set_target(Identity(GURL("mojo:tracing"), std::string(),
+                              mojom::Shell::kUserInherit,
                               GetPermissiveCapabilityFilter()));
   params->set_remote_interfaces(GetProxy(&tracing_remote_interfaces));
   params->set_local_interfaces(std::move(tracing_local_interfaces));
   application_manager_->Connect(std::move(params));
 
   if (command_line.HasSwitch(tracing::kTraceStartup)) {
     tracing::TraceCollectorPtr coordinator;
     auto coordinator_request = GetProxy(&coordinator);
     tracing_remote_interfaces->GetInterface(
         tracing::TraceCollector::Name_, coordinator_request.PassMessagePipe());
@@ skipping 49 matching lines @@
 }
 
 void Context::Run(const GURL& url) {
   application_manager_->SetInstanceQuitCallback(
       base::Bind(&OnInstanceQuit, url));
 
   shell::mojom::InterfaceProviderPtr remote_interfaces;
   shell::mojom::InterfaceProviderPtr local_interfaces;
 
   scoped_ptr<ConnectParams> params(new ConnectParams);
+  params->set_source(CreateShellIdentity());
   params->set_target(
-      Identity(url, std::string(), GetPermissiveCapabilityFilter()));
+      Identity(url, std::string(), mojom::Shell::kUserRoot,
+               GetPermissiveCapabilityFilter()));
   params->set_remote_interfaces(GetProxy(&remote_interfaces));
   params->set_local_interfaces(std::move(local_interfaces));
   application_manager_->Connect(std::move(params));
 }
 
 }  // namespace shell
 }  // namespace mojo