Split OptionsPage into Page and PageManager

chrome/browser/resources/options/alert_overlay.js

Index: chrome/browser/resources/options/alert_overlay.js
diff --git a/chrome/browser/resources/options/alert_overlay.js b/chrome/browser/resources/options/alert_overlay.js
index a4bf51b35f533225e04847c4e74a65d55931526d..09b95bf7db87915dd65e822107702c7e275c696d 100644
--- a/chrome/browser/resources/options/alert_overlay.js
+++ b/chrome/browser/resources/options/alert_overlay.js
@@ -3,7 +3,8 @@
 // found in the LICENSE file.
 
 cr.define('options', function() {
-  var OptionsPage = options.OptionsPage;
+  var Page = cr.ui.pageManager.Page;
+  var PageManager = cr.ui.pageManager.PageManager;
 
   /**
    * AlertOverlay class
@@ -11,14 +12,18 @@ cr.define('options', function() {
    * @class
    */
   function AlertOverlay() {
-    OptionsPage.call(this, 'alertOverlay', '', 'alertOverlay');
+    Page.call(this, 'alertOverlay', '', 'alertOverlay');
+    // AlertOverlay is special in that it is not tied to one page or overlay.
+    // Set the nesting level arbitrarily high so as to always be recognized as
+    // the top-most visible page.
+    this.nestingLevelOverride = 99;
   }
 
   cr.addSingletonGetter(AlertOverlay);
 
   AlertOverlay.prototype = {
-    // Inherit AlertOverlay from OptionsPage.
-    __proto__: OptionsPage.prototype,
+    // Inherit AlertOverlay from Page.
+    __proto__: Page.prototype,
 
     /**
      * Whether the page can be shown. Used to make sure the page is only
@@ -29,8 +34,7 @@ cr.define('options', function() {
 
     /** @override */
     initializePage: function() {
-      // Call base class implementation to start preference initialization.
-      OptionsPage.prototype.initializePage.call(this);
+      Page.prototype.initializePage.call(this);
 
       var self = this;
       $('alertOverlayOk').onclick = function(event) {
@@ -42,21 +46,13 @@ cr.define('options', function() {
       };
     },
 
-    /** @override */
-    get nestingLevel() {
-      // AlertOverlay is special in that it is not tied to one page or overlay.
-      // Set the nesting level arbitrarily high so as to always be recognized as
-      // the top-most visible page.
-      return 99;
-    },
-
     /**
      * Handle the 'ok' button.  Clear the overlay and call the ok callback if
      * available.
      * @private
      */
     handleOK_: function() {
-      OptionsPage.closeOverlay();
+      PageManager.closeOverlay();
       if (this.okCallback != undefined) {
         this.okCallback.call();
       }
@@ -68,7 +64,7 @@ cr.define('options', function() {
      * @private
      */
     handleCancel_: function() {
-      OptionsPage.closeOverlay();
+      PageManager.closeOverlay();
       if (this.cancelCallback != undefined) {
         this.cancelCallback.call();
       }
@@ -141,7 +137,7 @@ cr.define('options', function() {
 
     // Intentionally don't show the URL in the location bar as we don't want
     // people trying to navigate here by hand.
-    OptionsPage.showPageByName('alertOverlay', false);
+    PageManager.showPageByName('alertOverlay', false);
   };
 
   // Export