Change userid from a uint32_t to a string guid

content/browser/mojo/mojo_shell_client_host.cc

Index: content/browser/mojo/mojo_shell_client_host.cc
diff --git a/content/browser/mojo/mojo_shell_client_host.cc b/content/browser/mojo/mojo_shell_client_host.cc
index 60bbb26dc70bd01c040474080d9a4535ae5832f8..42b2ef36f79db4b4fb30461c904ff1ace3a207c4 100644
--- a/content/browser/mojo/mojo_shell_client_host.cc
+++ b/content/browser/mojo/mojo_shell_client_host.cc
@@ -123,7 +123,7 @@ std::string RegisterChildWithExternalShell(
       std::move(request_pipe), 0u));
 
   shell->CreateInstanceForFactory(std::move(factory), url,
-                                  mojo::shell::mojom::Connector::kUserInherit,
+                                  mojo::shell::mojom::kInheritUserID,
                                   CreateCapabilityFilterForRenderer(),
                                   std::move(request));