| Index: sdk/lib/html/dartium/html_dartium.dart | 
| diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart | 
| index a95a00e84402ca51651da4bbfd413eb84938e9fa..bc54d80415f3460f8d20ecf592976e4b68c63c33 100644 | 
| --- a/sdk/lib/html/dartium/html_dartium.dart | 
| +++ b/sdk/lib/html/dartium/html_dartium.dart | 
| @@ -28507,7 +28507,7 @@ abstract class Window { | 
| History get history; | 
|  | 
| /** | 
| -   * Indicates whether this window is closed. | 
| +   * Indicates whether this window has been closed. | 
| * | 
| *     print(window.closed); // 'false' | 
| *     window.close(); | 
| @@ -28560,6 +28560,34 @@ abstract class Window { | 
| Window get top; | 
|  | 
| // Methods. | 
| +  /** | 
| +   * Closes the window. | 
| +   * | 
| +   * This method should only succeed if the [Window] object is | 
| +   * **script-closeable** and the window calling [close] is allowed to navigate | 
| +   * the window. | 
| +   * | 
| +   * A window is script-closeable if it is either a window | 
| +   * that was opened by another window, or if it is a window with only one | 
| +   * document in its history. | 
| +   * | 
| +   * A window might not be allowed to navigate, and therefore close, another | 
| +   * window due to browser security features. | 
| +   * | 
| +   *     var other = window.open('http://www.example.com', 'foo'); | 
| +   *     // Closes other window, as it is script-closeable. | 
| +   *     other.close(); | 
| +   *     print(other.closed()); // 'true' | 
| +   * | 
| +   *     window.location('http://www.mysite.com', 'foo'); | 
| +   *     // Does not close this window, as the history has changed. | 
| +   *     window.close(); | 
| +   *     print(window.closed()); // 'false' | 
| +   * | 
| +   * See also: | 
| +   * | 
| +   * * [Window close discussion](http://www.w3.org/TR/html5/browsers.html#dom-window-close) from the W3C | 
| +   */ | 
| void close(); | 
| void postMessage(var message, String targetOrigin, [List messagePorts = null]); | 
| } | 
|  |