Shrink the user manager to 800x600.

chrome/browser/ui/user_manager.h

 // Copyright (c) 2014 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_UI_USER_MANAGER_H_
 #define CHROME_BROWSER_UI_USER_MANAGER_H_
 
 #include "chrome/browser/profiles/profile_window.h"
 
 namespace base {
@@ skipping 11 matching lines @@
   static void Show(const base::FilePath& profile_path_to_focus,
                    profiles::UserManagerTutorialMode tutorial_mode,
                    profiles::UserManagerProfileSelected profile_open_action);
 
   // Hides the User Manager.
   static void Hide();
 
   // Returns whether the User Manager is showing.
   static bool IsShowing();
 
+  // TODO(noms): Figure out if this size can be computed dynamically or adjusted
+  // for smaller screens.
+  static const int kWindowWidth = 800;
+  static const int kWindowHeight = 600;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(UserManager);
 };
 
 #endif  // CHROME_BROWSER_UI_USER_MANAGER_H_