Add pref to enable/disable palette tray.

chrome/browser/ui/webui/settings/md_settings_ui.cc

 // Copyright 2015 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/settings/md_settings_ui.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 100 matching lines @@
   content::WebUIDataSource* html_source =
       content::WebUIDataSource::Create(url.host());
 
 #if defined(OS_CHROMEOS)
   chromeos::settings::EasyUnlockSettingsHandler* easy_unlock_handler =
       chromeos::settings::EasyUnlockSettingsHandler::Create(html_source,
                                                             profile);
   if (easy_unlock_handler)
     AddSettingsPageUIHandler(easy_unlock_handler);
 
-  html_source->AddBoolean("stylusAllowed", ash::IsPaletteEnabled());
+  html_source->AddBoolean("stylusAllowed", ash::IsPaletteFeatureEnabled());
   html_source->AddBoolean("quickUnlockEnabled",
                           chromeos::IsQuickUnlockEnabled());
 #endif
 
   AddSettingsPageUIHandler(AboutHandler::Create(html_source, profile));
   AddSettingsPageUIHandler(ResetSettingsHandler::Create(html_source, profile));
 
   // Add all settings resources.
   for (size_t i = 0; i < kSettingsResourcesSize; ++i) {
     html_source->AddResourcePath(kSettingsResources[i].name,
@@ skipping 29 matching lines @@
   UMA_HISTOGRAM_TIMES("Settings.LoadDocumentTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 void MdSettingsUI::DocumentOnLoadCompletedInMainFrame() {
   UMA_HISTOGRAM_TIMES("Settings.LoadCompletedTime.MD",
                       base::Time::Now() - load_start_time_);
 }
 
 }  // namespace settings