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

chrome/browser/chromeos/login/existing_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_EXISTING_USER_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_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;
 
-class ExistingUserView : public views::View {
+class ExistingUserView : public ThrobberHostView,
+                         public UserInput,
+                         public views::Textfield::Controller {
  public:
-  explicit ExistingUserView(UserController* uc);
+  explicit ExistingUserView(UserController* user_controller);
 
   void RecreateFields();
 
-  views::Textfield* password_field() { return password_field_; }
-
   void FocusPasswordField();
 
   // Overridden from views::View:
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
 
+  // Overriden from Textfield::Controller:
+  virtual void ContentsChanged(views::Textfield* sender,
+                               const string16& new_contents);
+  virtual bool HandleKeystroke(views::Textfield* sender,
+                               const views::Textfield::Keystroke& keystroke);
+
+  // Overriden from UserInput:
+  virtual void EnableInputControls(bool enabled);
+  virtual void ClearAndFocusControls();
+  virtual void ClearAndFocusPassword();
+  virtual gfx::Rect GetMainInputScreenBounds() const;
+
  protected:
   // Overridden from views::View:
   virtual void OnLocaleChanged();
   virtual void ViewHierarchyChanged(bool is_add,
                                     views::View* parent,
                                     views::View* child);
 
-  views::Accelerator accel_login_off_the_record_;
+ private:
+  UserController* user_controller_;
 
   // For editing the password.
   views::Textfield* password_field_;
 
-  UserController* user_controller_;
-
- private:
+  views::Accelerator accel_login_off_the_record_;
   views::Accelerator accel_enable_accessibility_;
 
   DISALLOW_COPY_AND_ASSIGN(ExistingUserView);
 };
 
 }  // chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_EXISTING_USER_VIEW_H_