Remove OpenWindow from the WindowManager interface.

mojo/services/window_manager/window_manager_app.cc

Index: mojo/services/window_manager/window_manager_app.cc
diff --git a/mojo/services/window_manager/window_manager_app.cc b/mojo/services/window_manager/window_manager_app.cc
index a77f10d6105515b85c86b5349405c0bb484629ec..763849b401b79353ddb917bb1efd022249a64dd8 100644
--- a/mojo/services/window_manager/window_manager_app.cc
+++ b/mojo/services/window_manager/window_manager_app.cc
@@ -98,19 +98,6 @@ void WindowManagerApp::RemoveConnection(WindowManagerServiceImpl* connection) {
   connections_.erase(connection);
 }
 
-Id WindowManagerApp::OpenWindow() {
-  View* view = View::Create(view_manager_);
-  root_->AddChild(view);
-  return view->id();
-}
-
-Id WindowManagerApp::OpenWindowWithURL(const String& url) {
-  View* view = View::Create(view_manager_);
-  root_->AddChild(view);
-  view->Embed(url);
-  return view->id();
-}
-
 void WindowManagerApp::SetCapture(Id view) {
   capture_client_->capture_client()->SetCapture(GetWindowForViewId(view));
   // TODO(beng): notify connected clients that capture has changed, probably