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..294b7866e8bcbad32ae917f8b37d8b358a382acb 100644
--- a/ash/root_window_controller.h
+++ b/ash/root_window_controller.h
@@ -30,6 +30,10 @@ class RootWindowEventFilter;
 }
 }
 
+namespace keyboard {
+class KeyboardController;
+}
+
 namespace ash {
 class StackingController;
 class ShelfWidget;
@@ -166,11 +170,16 @@ class ASH_EXPORT RootWindowController {
   // types in the shell UI.
   void CreateContainersInRootWindow(aura::RootWindow* root_window);
 
+  // Initializes the virtual keyboard, placing it in |parent|.
+  void InitKeyboard(aura::Window* parent);
+
   scoped_ptr<aura::RootWindow> root_window_;
   RootWindowLayoutManager* root_window_layout_;
 
   scoped_ptr<StackingController> stacking_controller_;
 
+  scoped_ptr<keyboard::KeyboardController> keyboard_controller_;
+
   // The shelf for managing the launcher and the status widget.
   scoped_ptr<ShelfWidget> shelf_;