Demo UI made with a help of WUG toolkit (DO NOT SEND TO CQ).

chrome/common/url_constants.cc

 // Copyright (c) 2012 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/common/url_constants.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "content/public/common/url_constants.h"
@@ skipping 160 matching lines @@
 const char kChromeUICrashesHost[] = "crashes";
 const char kChromeUICrashHost[] = "crash";
 const char kChromeUICreditsHost[] = "credits";
 const char kChromeUIDefaultHost[] = "version";
 const char kChromeUIDeviceLogHost[] = "device-log";
 const char kChromeUIDevicesHost[] = "devices";
 const char kChromeUIDevToolsHost[] = "devtools";
 const char kChromeUIDevToolsBundledPath[] = "bundled";
 const char kChromeUIDevToolsRemotePath[] = "remote";
 const char kChromeUIDNSHost[] = "dns";
+const char kChromeUIDemoHost[] = "demo";
 const char kChromeUIDomainReliabilityInternalsHost[] =
     "domain-reliability-internals";
 const char kChromeUIDownloadsHost[] = "downloads";
 const char kChromeUIDriveInternalsHost[] = "drive-internals";
 const char kChromeUIEditSearchEngineDialogHost[] = "editsearchengine";
 const char kChromeUIExtensionIconHost[] = "extension-icon";
 const char kChromeUIExtensionsFrameHost[] = "extensions-frame";
 const char kChromeUIExtensionsHost[] = "extensions";
 const char kChromeUIFaviconHost[] = "favicon";
 const char kChromeUIFeedbackHost[] = "feedback";
@@ skipping 540 matching lines @@
     "https://support.google.com/chrome/?p=ui_mac_32bit_support";
 #else
     "";
 #endif
 #endif
 
 const char kEasyUnlockLearnMoreUrl[] =
     "https://support.google.com/chromebook/?p=smart_lock";
 
 }  // namespace chrome