Make browser process a singleton service

services/service_manager/public/cpp/lib/interface_registry.cc

Index: services/service_manager/public/cpp/lib/interface_registry.cc
diff --git a/services/service_manager/public/cpp/lib/interface_registry.cc b/services/service_manager/public/cpp/lib/interface_registry.cc
index 6367f1b058338bdc9b8855c8f342379d90760784..ba2ea2f9dab270a0e6d9e9c36f0c647d030efb86 100644
--- a/services/service_manager/public/cpp/lib/interface_registry.cc
+++ b/services/service_manager/public/cpp/lib/interface_registry.cc
@@ -183,6 +183,13 @@ void InterfaceRegistry::AddConnectionLostClosure(
   connection_lost_closures_.push_back(connection_lost_closure);
 }
 
+void InterfaceRegistry::BindInterface(const std::string& name,
+                                      mojo::ScopedMessagePipeHandle handle) {
+  // NOTE: We don't expose GetInterface() publicly so as to avoid confusion
+  // with local and remote binding requests.
+  GetInterface(name, std::move(handle));
+}
+
 // mojom::InterfaceProvider:
 void InterfaceRegistry::GetInterface(const std::string& interface_name,
                                      mojo::ScopedMessagePipeHandle handle) {