[uber page] Migrate the change picture sub-page to a dialog

chrome/browser/resources/options2/chromeos/change_picture_options.js

 // 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.
 
 cr.define('options', function() {
 
   var OptionsPage = options.OptionsPage;
   var UserImagesGrid = options.UserImagesGrid;
   var ButtonImages = UserImagesGrid.ButtonImages;
 
@@ skipping 50 matching lines @@
                         this.handleChooseFile_.bind(this));
 
       // Profile image data.
       this.profileImage_ = imageGrid.addItem(
           ButtonImages.PROFILE_PICTURE,
           localStrings.getString('profilePhotoLoading'));
 
       // Old user image data (if present).
       this.oldImage_ = null;
 
+      $('change-picture-overlay-confirm').onclick = this.closePage_;
+
       chrome.send('onChangePicturePageInitialized');
     },
 
     /**
      * Called right after the page has been shown to user.
      */
     didShowPage: function() {
       $('images-grid').updateAndFocus();
       chrome.send('onChangePicturePageShown');
     },
 
     /**
      * Called right before the page is hidden.
      */
     willHidePage: function() {
       var imageGrid = $('images-grid');
       imageGrid.blur();  // Make sure the image grid is not active.
       if (this.oldImage_) {
         imageGrid.removeItem(this.oldImage_);
         this.oldImage_ = null;
       }
     },
 
     /**
      * Closes current page, returning back to Personal Stuff page.
      * @private
      */
     closePage_: function() {
-      OptionsPage.navigateToPage('personal');
+      OptionsPage.closeOverlay();
     },
 
     /**
      * Handles "Take photo" button activation.
      * @private
      */
     handleTakePhoto_: function() {
       chrome.send('takePhoto');
       this.closePage_();
     },
@@ skipping 149 matching lines @@
     };
   });
 
   // Export
   return {
     ChangePictureOptions: ChangePictureOptions
   };
 
 });