Cleanup: Remove unneeded scoped_ptr.h includes from chrome/browser.

chrome/browser/browsing_data_database_helper.h

 // 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_BROWSING_DATA_DATABASE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_
 #pragma once
 
 #include <list>
 #include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/database/database_tracker.h"
 
 class Profile;
 
 // This class fetches database information in the FILE thread, and notifies
 // the UI thread upon completion.
 // A client of this class need to call StartFetching from the UI thread to
@@ skipping 133 matching lines @@
   // Access to |pending_database_info_| is protected by |lock_| since it may
   // be accessed on the UI or the WEBKIT thread.
   std::set<PendingDatabaseInfo> pending_database_info_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataDatabaseHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_