Don't allow profile deletion in Metro mode.

chrome/browser/ui/webui/signin/user_manager_screen_handler.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/ui/webui/signin/user_manager_screen_handler.h"
 
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/value_conversions.h"
 #include "base/values.h"
+#include "base/win/metro.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/api/screenlock_private/screenlock_private_api.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_info_cache_observer.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/profiles/profile_metrics.h"
 #include "chrome/browser/profiles/profile_window.h"
@@ skipping 604 matching lines @@
   localized_strings->SetString("multiProfilesPrimaryOnlyPolicyMsg",
                                 base::string16());
   localized_strings->SetString("multiProfilesOwnerPrimaryOnlyMsg",
                                 base::string16());
 }
 
 void UserManagerScreenHandler::SendUserList() {
   base::ListValue users_list;
   const ProfileInfoCache& info_cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
-
+  // Profile deletion is not allowed in Metro mode.
+  bool can_remove = !base::win::IsMetroProcess();

[tapted, 2015/01/26 23:36:07]

here too, but this might be shared with ChromeOS, so perhaps guard
ash::Shell::HasInstance() differently (or use viewerprocess:IsValid

[noms (inactive), 2015/01/28 02:20:13]

This is not shared with ChromeOS. This is desktop-only. Done.

   user_auth_type_map_.clear();
 
   for (size_t i = 0; i < info_cache.GetNumberOfProfiles(); ++i) {
     base::DictionaryValue* profile_value = new base::DictionaryValue();
     base::FilePath profile_path = info_cache.GetPathOfProfileAtIndex(i);
 
     profile_value->SetString(
         kKeyUsername, info_cache.GetUserNameOfProfileAtIndex(i));
     profile_value->SetString(
         kKeyEmailAddress, info_cache.GetUserNameOfProfileAtIndex(i));
     profile_value->SetString(
         kKeyDisplayName,
         profiles::GetAvatarNameForProfile(profile_path));
     profile_value->Set(
         kKeyProfilePath, base::CreateFilePathValue(profile_path));
     profile_value->SetBoolean(kKeyPublicAccount, false);
     profile_value->SetBoolean(
         kKeySupervisedUser, info_cache.ProfileIsSupervisedAtIndex(i));
     profile_value->SetBoolean(
         kKeyChildUser, info_cache.ProfileIsChildAtIndex(i));
     profile_value->SetBoolean(
         kKeyNeedsSignin, info_cache.ProfileIsSigninRequiredAtIndex(i));
     profile_value->SetBoolean(kKeyIsOwner, false);
-    profile_value->SetBoolean(kKeyCanRemove, true);
+    profile_value->SetBoolean(kKeyCanRemove, can_remove);
     profile_value->SetBoolean(kKeyIsDesktop, true);
     profile_value->SetString(
         kKeyAvatarUrl, GetAvatarImageAtIndex(i, info_cache));
 
     users_list.Append(profile_value);
   }
 
   web_ui()->CallJavascriptFunction("login.AccountPickerScreen.loadUsers",
       users_list, base::FundamentalValue(IsGuestModeEnabled()));
 }
@@ skipping 87 matching lines @@
     Profile* profile, Profile::CreateStatus profile_create_status) {
   Browser* browser = chrome::FindAnyBrowser(profile, false, desktop_type_);
   if (browser && browser->window()) {
     OnBrowserWindowReady(browser);
   } else {
     registrar_.Add(this,
                    chrome::NOTIFICATION_BROWSER_WINDOW_READY,
                    content::NotificationService::AllSources());
   }
 }