Place the spinner in the right corner of the controls window.

chrome/browser/chromeos/login/guest_user_view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_GUEST_USER_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_GUEST_USER_VIEW_H_
 #pragma once
 
+#include "chrome/browser/chromeos/login/helper.h"
+#include "chrome/browser/chromeos/login/user_input.h"
 #include "views/accelerator.h"
 #include "views/controls/button/native_button.h"
 #include "views/controls/textfield/textfield.h"
 #include "views/view.h"
 
 namespace chromeos {
 
 class UserController;
 
 // This view is for controls window of Guest mode pod that allows user to
 // get temporary profile and use it for browsing. Contains only one Sign-in
 // button and handles different common keyboard shortcuts.
-class GuestUserView : public views::View {
+class GuestUserView : public ThrobberHost,
+                      public UserInput,
+                      public views::ButtonListener,
+                      public views::View {
  public:
   explicit GuestUserView(UserController* uc);
 
   void RecreateFields();
 
   void FocusSignInButton();
 
   // Overridden from views::View:
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
 
+  // Overridden from views::ButtonListener.
+  virtual void ButtonPressed(views::Button* sender, const views::Event& event);
+
+  // Overridden from UserInput:
+  virtual void EnableInputControls(bool enabled);
+  virtual void ClearAndFocusControls();
+  virtual void ClearAndFocusPassword();
+  virtual gfx::Rect GetMainInputScreenBounds() const;
+
  private:
   // Overridden from views::View:
   virtual void OnLocaleChanged();
   virtual void ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child);
   virtual void Layout();
 
   // Button to start login.
   views::NativeButton* submit_button_;
 
   UserController* user_controller_;
 
   views::Accelerator accel_enable_accessibility_;
   views::Accelerator accel_login_off_the_record_;
   views::Accelerator accel_previous_pod_by_arrow_;
   views::Accelerator accel_previous_pod_by_tab_;
   views::Accelerator accel_next_pod_by_arrow_;
   views::Accelerator accel_next_pod_by_tab_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestUserView);
 };
 
 }  // chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_GUEST_USER_VIEW_H_