Reference Window State Sample from app.window documentation.

chrome/common/extensions/api/app_window.idl

 // Copyright (c) 2012 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.
 
 // Use the <code>chrome.app.window</code> API to create windows. Windows
 // have an optional frame with title bar and size controls. They are not
-// associated with any Chrome browser windows.
+// associated with any Chrome browser windows. See the <a
+// href="https://github.com/GoogleChrome/chrome-app-samples/tree/master/window-state">
+// Window State Sample</a> for a demonstration of these options.
 namespace app.window {
 
   // Previously named Bounds.
   dictionary ContentBounds {
     long? left;
     long? top;
     long? width;
     long? height;
   };
 
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     // Fired when the window is maximized.
     [nocompile] static void onMaximized();
 
     // Fired when the window is minimized.
     [nocompile] static void onMinimized();
 
     // Fired when the window is restored from being minimized or maximized.
     [nocompile] static void onRestored();
   };
 };