http://code.google.com/p/google-web-toolkit/source/detail?r=4045
Ensures concurrent mods happen in the right order. Required undoing optimization in JsRegistry that would do adds immediately, as immediately is the wrong time if a remove came first --~--~---------~--~----~------------~-------~--~----~ http://groups.google.com/group/Google-Web-Toolkit-Contributors -~----------~----~----~----~------~----~------~--~---
