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

chrome/browser/ui/webui/md_settings_ui.h

Index: chrome/browser/ui/webui/md_settings_ui.h
diff --git a/chrome/browser/ui/webui/md_settings_ui.h b/chrome/browser/ui/webui/md_settings_ui.h
new file mode 100644
index 0000000000000000000000000000000000000000..7544b357cc4e9fed232401f794f2bf3bd56789fe
--- /dev/null
+++ b/chrome/browser/ui/webui/md_settings_ui.h
@@ -0,0 +1,20 @@
+// 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.
+
+#ifndef CHROME_BROWSER_UI_WEBUI_MD_SETTINGS_UI_H_
+#define CHROME_BROWSER_UI_WEBUI_MD_SETTINGS_UI_H_
+
+#include "content/public/browser/web_ui_controller.h"
+
+// The Web UI handler for md-settings.

[James Hawkins, 2015/02/04 22:46:10]

chrome://md-settings.

[Oren Blasberg, 2015/02/04 23:09:54]

Done.

+class MdSettingsUI : public content::WebUIController {
+ public:
+  explicit MdSettingsUI(content::WebUI* web_ui);
+  ~MdSettingsUI() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(MdSettingsUI);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_MD_SETTINGS_UI_H_