[Multi profile] Clicking "Customize User" should show the "Manage User" dialog.

chrome/browser/resources/options/manage_profile_overlay.js

 // Copyright (c) 2011 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 ArrayDataModel = cr.ui.ArrayDataModel;
 
   const localStrings = new LocalStrings();
 
@@ skipping 43 matching lines @@
         self.submitManageChanges_();
       };
       $('delete-profile-ok').onclick = function(event) {
         OptionsPage.closeOverlay();
         chrome.send('deleteProfile', [self.profileInfo_.filePath]);
       };
     },
 
     /** @inheritDoc */
     didShowPage: function() {
-      var grid = $('manage-profile-icon-grid');
-      // Recalculate the measured item size.
-      grid.measured_ = null;
-      grid.columns = 0;
-      grid.redraw();
+      chrome.send('requestDefaultProfileIcons');
+
+      // Use the hash to specify the profile index.
+      var hash = location.hash;
+      if (hash) {
+        $('manage-profile-overlay-manage').hidden = false;
+        $('manage-profile-overlay-delete').hidden = true;
+        ManageProfileOverlay.getInstance().hideErrorBubble_();
+
+        chrome.send('requestProfileInfo', [parseInt(hash.slice(1), 10)]);
+      }
 
       $('manage-profile-name').focus();
     },
 
     /**
      * Set the profile info used in the dialog.
      * @param {Object} profileInfo An object of the form:
      *     profileInfo = {
      *       name: "Profile Name",
      *       iconURL: "chrome://path/to/icon/image",
      *       filePath: "/path/to/profile/data/on/disk"
      *       isCurrentProfile: false,
      *     };
      * @private
      */
     setProfileInfo_: function(profileInfo) {
       this.profileInfo_ = profileInfo;
       $('manage-profile-name').value = profileInfo.name;
       $('manage-profile-icon-grid').selectedItem = profileInfo.iconURL;
     },
 
     /**
      * Set an array of default icon URLs. These will be added to the grid that
      * the user will use to choose their profile icon.
      * @param {Array.<string>} iconURLs An array of icon URLs.
      * @private
      */
     receiveDefaultProfileIcons_: function(iconURLs) {
       $('manage-profile-icon-grid').dataModel = new ArrayDataModel(iconURLs);
+
+      var grid = $('manage-profile-icon-grid');
+      // Recalculate the measured item size.
+      grid.measured_ = null;
+      grid.columns = 0;
+      grid.redraw();
     },
 
     /**
      * Set a dictionary of all profile names. These are used to prevent the
      * user from naming two profiles the same.
      * @param {Object} profileNames A dictionary of profile names.
      * @private
      */
     receiveProfileNames_: function(profileNames) {
       this.profileNames_ = profileNames;
@@ skipping 98 matching lines @@
     ManageProfileOverlay[name] = function(value) {
       ManageProfileOverlay.getInstance()[name + '_'](value);
     };
   });
 
   // Export
   return {
     ManageProfileOverlay: ManageProfileOverlay
   };
 });