Add a basic stub Polymer settings page at chrome://md-settings.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.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/browser/ui/webui/chrome_web_ui_controller_factory.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 18 matching lines @@
 #include "chrome/browser/ui/webui/flags_ui.h"
 #include "chrome/browser/ui/webui/flash_ui.h"
 #include "chrome/browser/ui/webui/gcm_internals_ui.h"
 #include "chrome/browser/ui/webui/help/help_ui.h"
 #include "chrome/browser/ui/webui/history_ui.h"
 #include "chrome/browser/ui/webui/identity_internals_ui.h"
 #include "chrome/browser/ui/webui/instant_ui.h"
 #include "chrome/browser/ui/webui/interstitials/interstitial_ui.h"
 #include "chrome/browser/ui/webui/invalidations_ui.h"
 #include "chrome/browser/ui/webui/local_state/local_state_ui.h"
+#include "chrome/browser/ui/webui/md_settings_ui.h"
 #include "chrome/browser/ui/webui/memory_internals/memory_internals_ui.h"
 #include "chrome/browser/ui/webui/net_internals/net_internals_ui.h"
 #include "chrome/browser/ui/webui/omnibox/omnibox_ui.h"
 #include "chrome/browser/ui/webui/options/options_ui.h"
 #include "chrome/browser/ui/webui/password_manager_internals/password_manager_internals_ui.h"
 #include "chrome/browser/ui/webui/plugins_ui.h"
 #include "chrome/browser/ui/webui/predictors/predictors_ui.h"
 #include "chrome/browser/ui/webui/profiler_ui.h"
 #include "chrome/browser/ui/webui/signin/inline_login_ui.h"
 #include "chrome/browser/ui/webui/signin/profile_signin_confirmation_ui.h"
@@ skipping 311 matching lines @@
   if (url.host() == chrome::kChromeUIGCMInternalsHost)
     return &NewWebUI<GCMInternalsUI>;
   // Help is implemented with native UI elements on Android.
   if (url.host() == chrome::kChromeUIHelpFrameHost)
     return &NewWebUI<HelpUI>;
   // Identity API is not available on Android.
   if (url.host() == chrome::kChromeUIIdentityInternalsHost)
     return &NewWebUI<IdentityInternalsUI>;
   if (url.host() == chrome::kChromeUINewTabHost)
     return &NewWebUI<NewTabUI>;
+  if (url.host() == chrome::kChromeUIMdSettingsHost &&
+      ::switches::MdSettingsEnabled()) {
+    return &NewWebUI<MdSettingsUI>;
+  }
   // Android does not support plugins for now.
   if (url.host() == chrome::kChromeUIPluginsHost)
     return &NewWebUI<PluginsUI>;
   if (url.host() == chrome::kChromeUIQuotaInternalsHost)
     return &NewWebUI<QuotaInternalsUI>;
   // Settings are implemented with native UI elements on Android.
   // Handle chrome://settings if settings in a window and about in settings
   // are enabled.
   if (url.host() == chrome::kChromeUISettingsFrameHost ||
       (url.host() == chrome::kChromeUISettingsHost &&
@@ skipping 341 matching lines @@
 #endif
 
   // Android doesn't use the plugins pages.
   if (page_url.host() == chrome::kChromeUIPluginsHost)
     return PluginsUI::GetFaviconResourceBytes(scale_factor);
 
 #endif
 
   return NULL;
 }