Cleanup: Remove unneeded includes of notification_service.h in other headers....

chrome/browser/history/top_sites.h

 // Copyright (c) 2010 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_HISTORY_TOP_SITES_H_
 #define CHROME_BROWSER_HISTORY_TOP_SITES_H_
 #pragma once
 
 #include <list>
 #include <set>
 #include <string>
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/lock.h"
 #include "base/ref_counted.h"
 #include "base/ref_counted_memory.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/history/page_usage_data.h"
-#include "chrome/common/notification_service.h"
 #include "chrome/common/thumbnail_score.h"
 #include "googleurl/src/gurl.h"
 
 class DictionaryValue;
 class FilePath;
 class SkBitmap;
 class Profile;
 
 namespace history {
 
@@ skipping 314 matching lines @@
 
   // Are we loaded?
   bool loaded_;
 
   DISALLOW_COPY_AND_ASSIGN(TopSites);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_H_