[Sync] Port about:sync to DOMUI

chrome/browser/dom_ui/sync_internals_ui.h

+// Copyright (c) 2011 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_DOM_UI_SYNC_INTERNALS_UI_H_
+#define CHROME_BROWSER_DOM_UI_SYNC_INTERNALS_UI_H_
+#pragma once
+
+#include "base/basictypes.h"
+#include "chrome/browser/dom_ui/dom_ui.h"
+
+class SyncInternalsUI : public DOMUI {
+ public:
+  explicit SyncInternalsUI(TabContents* contents);
+  virtual ~SyncInternalsUI();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(SyncInternalsUI);
+};
+
+#endif  // CHROME_BROWSER_DOM_UI_SYNC_INTERNALS_UI_H_