Hook embedded shell up to MojoShellConnection

mojo/shell/application_manager.cc

Index: mojo/shell/application_manager.cc
diff --git a/mojo/shell/application_manager.cc b/mojo/shell/application_manager.cc
index c24e36a04c4d8567a8849d35c956602aebf385f4..9c5cfca229262cdac1360bc014e4cfb27e5ea3e5 100644
--- a/mojo/shell/application_manager.cc
+++ b/mojo/shell/application_manager.cc
@@ -98,6 +98,21 @@ void ApplicationManager::Connect(scoped_ptr<ConnectParams> params) {
                   weak_ptr_factory_.GetWeakPtr(), base::Passed(&params)));
 }
 
+mojom::ShellClientRequest ApplicationManager::InitInstanceForEmbedder(
+    const GURL& url) {
+  DCHECK(!embedder_instance_);
+
+  mojo::shell::Identity target(url, std::string(), mojom::Shell::kUserRoot,
+                               GetPermissiveCapabilityFilter());
+  DCHECK(!GetApplicationInstance(target));
+
+  mojom::ShellClientRequest request;
+  embedder_instance_ = CreateInstance(target, &request);
+  DCHECK(embedder_instance_);
+
+  return request;
+}
+
 void ApplicationManager::SetLoaderForURL(scoped_ptr<ApplicationLoader> loader,
                                          const GURL& url) {
   URLToLoaderMap::iterator it = url_to_loader_.find(url);