Create and show the virtual keyboard.

ash/root_window_controller.h

Index: ash/root_window_controller.h
diff --git a/ash/root_window_controller.h b/ash/root_window_controller.h
index d10c6b179bc8575bc0361c05fa71c5e2ff72faa4..30c25b48ffb7c2f28a8900f9a7c8755be5bf966e 100644
--- a/ash/root_window_controller.h
+++ b/ash/root_window_controller.h
@@ -30,6 +30,10 @@ class RootWindowEventFilter;
 }
 }
 
+namespace virtual_keyboard {
+class VirtualKeyboardController;
+}
+
 namespace ash {
 class StackingController;
 class ShelfWidget;
@@ -171,6 +175,9 @@ class ASH_EXPORT RootWindowController {
 
   scoped_ptr<StackingController> stacking_controller_;
 
+  scoped_ptr<virtual_keyboard::VirtualKeyboardController>
+      virtual_keyboard_controller_;
+
   // The shelf for managing the launcher and the status widget.
   scoped_ptr<ShelfWidget> shelf_;