commit f2a3c9027d95a9f9b3025807f6287c688f345f43
Author: Nathan Haug <nate@lullabot.com>
Date:   Thu Mar 14 12:32:09 2013 -0700

    Reroll

diff --git a/core/lib/Drupal/Core/Ajax/RedirectCommand.php b/core/lib/Drupal/Core/Ajax/RedirectCommand.php
new file mode 100644
index 0000000..220c4c9
--- /dev/null
+++ b/core/lib/Drupal/Core/Ajax/RedirectCommand.php
@@ -0,0 +1,45 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Core\Ajax\RedirectCommand.
+ */
+
+namespace Drupal\Core\Ajax;
+
+use Drupal\Core\Ajax\CommandInterface;
+
+/**
+ * Defines an AJAX command to set the window.location, loading that URL.
+ */
+class RedirectCommand implements CommandInterface {
+
+  /**
+   * The URL that will be loaded into window.location.
+   *
+   * @var string
+   */
+  protected $url;
+
+  /**
+   * Constructs an RedirectCommand object.
+   *
+   * @param string $url
+   *   The URL that will be loaded into window.location. This should be a full
+   *   URL, one that has already been run through the url() function.
+   */
+  public function __construct($url) {
+    $this->url = $url;
+  }
+
+  /**
+   * Implements \Drupal\Core\Ajax\CommandInterface:render().
+   */
+  public function render() {
+    return array(
+      'command' => 'redirect',
+      'url' => $this->url,
+    );
+  }
+
+}
diff --git a/core/misc/ajax.js b/core/misc/ajax.js
index 08303f0..1b5d0ca 100644
--- a/core/misc/ajax.js
+++ b/core/misc/ajax.js
@@ -607,9 +607,9 @@ Drupal.ajax.prototype.commands = {
   },
 
   /**
-   * Command to set the window.location.
+   * Command to set the window.location, redirecting the browser.
    */
-  setWindowLocation: function (ajax, response, status) {
+  redirect: function (ajax, response, status) {
     window.location = response.url;
   },
 
diff --git a/core/misc/dialog.ajax.js b/core/misc/dialog.ajax.js
index a30e0d9..90c9d26 100644
--- a/core/misc/dialog.ajax.js
+++ b/core/misc/dialog.ajax.js
@@ -9,9 +9,9 @@
 
   Drupal.behaviors.dialog = {
     attach: function () {
-      // Provide a known 'drupal-modal' dom element for Drupal code to use for
-      // modal dialogs. Since there can be multiple non-modal dialogs at a time,
-      // it is the responsibility of calling code to create the elements it needs.
+      // Provide a known 'drupal-modal' DOM element for Drupal-based modal
+      // dialogs. Non-modal dialogs are responsible for creating their own
+      // elements, since there can be multiple non-modal dialogs at a time.
       if (!$('#drupal-modal').length) {
         $('<div id="drupal-modal" />').hide().appendTo('body');
       }
diff --git a/core/modules/system/lib/Drupal/system/Tests/Ajax/AjaxCommandsUnitTest.php b/core/modules/system/lib/Drupal/system/Tests/Ajax/AjaxCommandsUnitTest.php
index 6b1a831..9247297 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Ajax/AjaxCommandsUnitTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Ajax/AjaxCommandsUnitTest.php
@@ -30,7 +30,7 @@
 use Drupal\Core\Ajax\CloseModalDialogCommand;
 use Drupal\Core\Ajax\SetDialogOptionCommand;
 use Drupal\Core\Ajax\SetDialogTitleCommand;
-use Drupal\Core\Ajax\SetWindowLocationCommand;
+use Drupal\Core\Ajax\RedirectCommand;
 
 /**
  * Tests for all AJAX Commands.
@@ -417,16 +417,16 @@ function testSetDialogTitleCommand() {
   }
 
   /**
-   * Tests that SetWindowLocationCommand objects can be constructed and rendered.
+   * Tests that RedirectCommand objects can be constructed and rendered.
    */
-  function testSetWindowLocationCommand() {
-    $command = new SetWindowLocationCommand('http://example.com');
+  function testRedirectCommand() {
+    $command = new RedirectCommand('http://example.com');
     $expected = array(
-      'command' => 'setWindowLocation',
+      'command' => 'redirect',
       'url' => 'http://example.com',
     );
 
-    $this->assertEqual($command->render(), $expected, 'SetWindowLocationCommand::render() with the expected command array.');
+    $this->assertEqual($command->render(), $expected, 'RedirectCommand::render() with the expected command array.');
   }
 
 }