[Win] Don't show the add/remove desktop shortcut for single users.

chrome/browser/ui/webui/options/manage_profile_handler.cc

 // Copyright (c) 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/options/manage_profile_handler.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 439 matching lines @@
   base::FilePath profile_file_path;
   if (!GetProfilePathFromArgs(args, &profile_file_path))
     return;
 
   const ProfileInfoCache& cache =
       g_browser_process->profile_manager()->GetProfileInfoCache();
   size_t profile_index = cache.GetIndexOfProfileWithPath(profile_file_path);
   if (profile_index == std::string::npos)
     return;
 
+  // Don't show the add/remove desktop shortcut button in the single user case.
+  if (cache.GetNumberOfProfiles() <= 1)
+    return;
+
   const base::FilePath profile_path =
       cache.GetPathOfProfileAtIndex(profile_index);
   ProfileShortcutManager* shortcut_manager =
       g_browser_process->profile_manager()->profile_shortcut_manager();
   shortcut_manager->HasProfileShortcuts(
       profile_path, base::Bind(&ManageProfileHandler::OnHasProfileShortcuts,
                                weak_factory_.GetWeakPtr()));
 }
 
 void ManageProfileHandler::RequestCreateProfileUpdate(
@@ skipping 63 matching lines @@
 
   // Update the UI buttons.
   OnHasProfileShortcuts(false);
 }
 
 void ManageProfileHandler::RefreshGaiaPicture(const base::ListValue* args) {
   profiles::UpdateGaiaProfilePhotoIfNeeded(Profile::FromWebUI(web_ui()));
 }
 
 }  // namespace options