Delayed loading of the virtual keyboard.

ash/root_window_controller.cc

Index: ash/root_window_controller.cc
diff --git a/ash/root_window_controller.cc b/ash/root_window_controller.cc
index a975fa8ec0c402723103a4d052fbe940096f14fd..86911f74983eb6e448b44db60163097e2ae727bf 100644
--- a/ash/root_window_controller.cc
+++ b/ash/root_window_controller.cc
@@ -511,6 +511,7 @@ void RootWindowController::InitKeyboard() {
     aura::Window* keyboard_container =
         keyboard_controller_->GetContainerWindow();
     parent->AddChild(keyboard_container);
+    keyboard_container->SetBounds(parent->bounds());
   }
 }