Cleanup: Remove unneeded base/file_util.h includes in content.

content/browser/indexed_db/indexed_db_quota_client.cc

 // 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.
 
 #include "content/browser/indexed_db/indexed_db_quota_client.h"
 
 #include <vector>
 
-#include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "content/browser/indexed_db/indexed_db_context_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/net_util.h"
 #include "webkit/database/database_util.h"
 
 using quota::QuotaClient;
 using webkit_database::DatabaseUtil;
 
@@ skipping 149 matching lines @@
   base::PostTaskAndReplyWithResult(
       webkit_thread_message_loop_,
       FROM_HERE,
       base::Bind(&DeleteOriginDataOnWebKitThread,
                  indexed_db_context_,
                  origin),
       callback);
 }
 
 }  // namespace content