Add mojo_launcher

mojo/application_manager/application_manager.cc

Index: mojo/application_manager/application_manager.cc
diff --git a/mojo/application_manager/application_manager.cc b/mojo/application_manager/application_manager.cc
index e7398022e6dd7e687b1b57134c39ec0b67461740..208a879e4cddd486ede6f556a49994ba20d07b0e 100644
--- a/mojo/application_manager/application_manager.cc
+++ b/mojo/application_manager/application_manager.cc
@@ -223,8 +223,14 @@ void ApplicationManager::ConnectToClient(ShellImpl* shell_impl,
 void ApplicationManager::RegisterExternalApplication(
     const GURL& url,
     ScopedMessagePipeHandle shell_handle) {
-  url_to_shell_impl_[url] =
+  ShellImpl* shell_impl =
       WeakBindToPipe(new ShellImpl(this, url), shell_handle.Pass());
+  url_to_shell_impl_[url] = shell_impl;
+  URLToArgsMap::const_iterator args_it = url_to_args_.find(url);
+  Array<String> args;
+  if (args_it != url_to_args_.end())
+    args = Array<String>::From(args_it->second);
+  shell_impl->client()->Initialize(args.Pass());
 }
 
 void ApplicationManager::RegisterLoadedApplication(