Use a direct include of strings headers in chrome/browser/a*-c*/.

chrome/browser/browsing_data/browsing_data_indexed_db_helper.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 "chrome/browser/browsing_data/browsing_data_indexed_db_helper.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
-#include "base/string_util.h"
+#include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/indexed_db_context.h"
 #include "webkit/browser/database/database_util.h"
 #include "webkit/glue/webkit_glue.h"
 
 using content::BrowserThread;
 using content::IndexedDBContext;
 using content::IndexedDBInfo;
@@ skipping 215 matching lines @@
 }
 
 void CannedBrowsingDataIndexedDBHelper::NotifyInUIThread() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(is_fetching_);
 
   completion_callback_.Run(indexed_db_info_);
   completion_callback_.Reset();
   is_fetching_ = false;
 }