MD Settings: add "Use system title bar and borders"

chrome/browser/extensions/api/settings_private/prefs_util.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/extensions/api/settings_private/prefs_util.h"
 
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/chrome_extension_function.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 49 matching lines @@
   if (s_whitelist)
     return *s_whitelist;
   // TODO(dbeam): why aren't we using kPrefName from pref_names.h?
   s_whitelist = new PrefsUtil::TypedPrefMap();
   (*s_whitelist)["alternate_error_pages.enabled"] =
       settings_private::PrefType::PREF_TYPE_BOOLEAN;
   (*s_whitelist)["autofill.enabled"] =
       settings_private::PrefType::PREF_TYPE_BOOLEAN;
   (*s_whitelist)["bookmark_bar.show_on_all_tabs"] =
       settings_private::PrefType::PREF_TYPE_BOOLEAN;
+  (*s_whitelist)["browser.custom_chrome_frame"] =
+      settings_private::PrefType::PREF_TYPE_BOOLEAN;
   (*s_whitelist)["browser.show_home_button"] =
       settings_private::PrefType::PREF_TYPE_BOOLEAN;
 
   // Appearance settings.
   (*s_whitelist)["extensions.theme.id"] =
       settings_private::PrefType::PREF_TYPE_STRING;
   (*s_whitelist)["webkit.webprefs.default_fixed_font_size"] =
       settings_private::PrefType::PREF_TYPE_NUMBER;
   (*s_whitelist)["webkit.webprefs.default_font_size"] =
       settings_private::PrefType::PREF_TYPE_NUMBER;
@@ skipping 559 matching lines @@
 
 bool PrefsUtil::IsCrosSetting(const std::string& pref_name) {
 #if defined(OS_CHROMEOS)
   return CrosSettings::Get()->IsCrosSettings(pref_name);
 #else
   return false;
 #endif
 }
 
 }  // namespace extensions