Create and show 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 f216c7ab8c464b71b2ff9676cda7f0688f3be08a..c24b2f6f2206abc57a8d26760911c2065c44f390 100644
--- a/ash/root_window_controller.cc
+++ b/ash/root_window_controller.cc
@@ -53,6 +53,7 @@
 #include "ui/views/corewm/visibility_controller.h"
 #include "ui/views/view_model.h"
 #include "ui/views/view_model_utils.h"
+#include "ui/virtual_keyboard/virtual_keyboard_controller.h"
 
 namespace ash {
 namespace {
@@ -173,6 +174,11 @@ RootWindowController::RootWindowController(aura::RootWindow* root_window)
 
   stacking_controller_.reset(new ash::StackingController);
   aura::client::SetStackingClient(root_window, stacking_controller_.get());
+
+  virtual_keyboard::VirtualKeyboardControllerProxy* proxy =
+      Shell::GetInstance()->delegate()->CreateVirtualKeyboardControllerProxy();
+  virtual_keyboard_controller_.reset(
+      new virtual_keyboard::VirtualKeyboardController(proxy));
 }
 
 RootWindowController::~RootWindowController() {
@@ -262,6 +268,13 @@ void RootWindowController::InitLayoutManagers() {
   always_on_top_container->SetLayoutManager(
       new BaseLayoutManager(
           always_on_top_container->GetRootWindow()));
+
+  // FIXME(bryeung): where is the right place for this?
+  aura::Window* keyboard_container = virtual_keyboard_controller_->Init();
+  // FIXME(bryeung): how to keep it full-screen?
+  root_window()->AddChild(keyboard_container);
+  // FIXME(bryeung): how to keep it on top?
+  root_window()->StackChildAtTop(keyboard_container);
 }
 
 void RootWindowController::InitForPrimaryDisplay() {