Change userid from a uint32_t to a string guid

content/browser/mojo/mojo_shell_context.cc

 // Copyright 2015 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 "content/browser/mojo/mojo_shell_context.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
@@ skipping 266 matching lines @@
                                      std::move(exposed_services), callback);
 }
 
 void MojoShellContext::ConnectToApplicationOnOwnThread(
     const std::string& name,
     const std::string& requestor_name,
     mojo::shell::mojom::InterfaceProviderRequest request,
     mojo::shell::mojom::InterfaceProviderPtr exposed_services,
     const mojo::shell::mojom::Connector::ConnectCallback& callback) {
   scoped_ptr<mojo::shell::ConnectParams> params(new mojo::shell::ConnectParams);
-  // TODO(beng): kUserRoot is obviously wrong.
+  // TODO(beng): kRootUserID is obviously wrong.
   // TODO(beng): We need to set a permissive filter here temporarily because
   //             content is known as a bogus system: name that the application
   //             manager doesn't understand.
   mojo::shell::Identity source_id(
-      requestor_name, std::string(), mojo::shell::mojom::Connector::kUserRoot);
+      requestor_name, std::string(), mojo::shell::mojom::kRootUserID);
   source_id.set_filter(mojo::shell::GetPermissiveCapabilityFilter());
   params->set_source(source_id);
   params->set_target(mojo::shell::Identity(
-      name, std::string(), mojo::shell::mojom::Connector::kUserRoot));
+      name, std::string(), mojo::shell::mojom::kRootUserID));
   params->set_remote_interfaces(std::move(request));
   params->set_local_interfaces(std::move(exposed_services));
   params->set_connect_callback(callback);
   shell_->Connect(std::move(params));
 }
 
 }  // namespace content