service_manager: More consistent Service lifecycle API

services/tracing/service.cc

Index: services/tracing/service.cc
diff --git a/services/tracing/service.cc b/services/tracing/service.cc
index 31cfcde849ba526f084cf48a047a60b70356818a..f2a6c3b3ad4dc0751715fa70ce3481de17270f52 100644
--- a/services/tracing/service.cc
+++ b/services/tracing/service.cc
@@ -28,7 +28,7 @@ bool Service::OnConnect(const service_manager::ServiceInfo& remote_info,
   return true;
 }
 
-bool Service::OnStop() {
+bool Service::OnServiceManagerConnectionLost() {
   // TODO(beng): This is only required because Service isn't run by
   // ServiceRunner - instead it's launched automatically by the standalone
   // service manager. It shouldn't be.