Fix an issue running mash in chrome:

services/shell/public/cpp/lib/service_context.cc

Index: services/shell/public/cpp/lib/service_context.cc
diff --git a/services/shell/public/cpp/lib/service_context.cc b/services/shell/public/cpp/lib/service_context.cc
index 6b7343bd717810e42745da6e5375191c4a09301d..dcf3085bfcaa8be881267ae70c70ae22e1b2a77e 100644
--- a/services/shell/public/cpp/lib/service_context.cc
+++ b/services/shell/public/cpp/lib/service_context.cc
@@ -65,7 +65,7 @@ void ServiceContext::OnConnect(
     mojom::InterfaceProviderRequest interfaces,
     const CapabilityRequest& allowed_capabilities) {
   std::unique_ptr<InterfaceRegistry> registry(
-      new InterfaceRegistry(source, allowed_capabilities));
+      new InterfaceRegistry(identity_, source, allowed_capabilities));
   registry->Bind(std::move(interfaces));
 
   if (!service_->OnConnect(source, registry.get()))