Prevents a profile from editing the avatar and profile name of another profile in the Personal Op...

chrome/browser/resources/options/personal_options.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;
 
   // State variables.
@@ skipping 43 matching lines @@
 
       // Profiles.
       var profilesList = $('profiles-list');
       options.personal_options.ProfileList.decorate(profilesList);
       profilesList.autoExpands = true;
 
       profilesList.onchange = function(event) {
         var selectedProfile = profilesList.selectedItem;
         var hasSelection = selectedProfile != null;
         var hasSingleProfile = profilesList.dataModel.length == 1;
-        $('profiles-manage').disabled = !hasSelection;
+        $('profiles-manage').disabled = !hasSelection ||
+            !selectedProfile.isCurrentProfile;
         $('profiles-delete').disabled = !hasSingleProfile && !hasSelection;
       };
       $('profiles-create').onclick = function(event) {
         chrome.send('createProfile');
       };
       $('profiles-manage').onclick = function(event) {
         var selectedProfile = self.getSelectedProfileItem_();
         if (selectedProfile)
           ManageProfileOverlay.showManageDialog(selectedProfile);
       };
@@ skipping 259 matching lines @@
       PersonalOptions.getInstance()[name + '_'](value);
     };
   });
 
   // Export
   return {
     PersonalOptions: PersonalOptions
   };
 
 });