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diff --git a/chrome/browser/dom_ui/tips_handler.h b/chrome/browser/dom_ui/tips_handler.h
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+// Copyright (c) 2009 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.
+
+// This class pulls data from a web resource (such as a JSON feed) which
+// has been stored in the user's preferences file.  Used mainly
+// by the suggestions and tips area of the new tab page.
+
+// Current sketch of tip cache format, hardcoded for popgadget data in
+// basic text form:
+
+// "tip_cache": {
+//    "0": {
+//        "index": should become time field (or not)
+//        "snippet": the text of the item
+//        "source": text describing source (i.e., "New York Post")
+//        "thumbnail": URL of thumbnail on popgadget server
+//        "title": text giving title of item
+//        "url": link to item's page
+//    },
+//    [up to number of items in kMaxWebResourceCacheSize]
+
+#ifndef CHROME_BROWSER_DOM_UI_TIPS_HANDLER_H_
+#define CHROME_BROWSER_DOM_UI_TIPS_HANDLER_H_
+
+#include "chrome/browser/dom_ui/dom_ui.h"
+
+class DictionaryValue;
+class DOMUI;
+class PrefService;
+class Value;
+
+class TipsHandler : public DOMMessageHandler {
+ public:
+  explicit TipsHandler(DOMUI* dom_ui);
+
+  TipsHandler();
+
+  // Callback which pulls tips data from the preferences.
+  void HandleGetTips(const Value* content);
+
+  // Register tips cache with pref service.
+  static void RegisterUserPrefs(PrefService* prefs);
+
+ private:
+  // So we can push data out to the page that has called this handler.
+  DOMUI* dom_ui_;
+
+  // Filled with data from cache in preferences.
+  const DictionaryValue* tips_cache_;
+
+  DISALLOW_COPY_AND_ASSIGN(TipsHandler);
+};
+
+#endif  // CHROME_BROWSER_DOM_UI_TIPS_HANDLER_H_
+