introduce chrome/browser/common directory and move url_database(and its dependencies)

chrome/browser/history/text_database_manager.h

 // Copyright (c) 2011 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_TEXT_DATABASE_MANAGER_H_
 #define CHROME_BROWSER_HISTORY_TEXT_DATABASE_MANAGER_H_
 
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
 #include "base/memory/mru_cache.h"
+#include "chrome/browser/common/url_database/url_database.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/text_database.h"
 #include "chrome/browser/history/query_parser.h"
-#include "chrome/browser/history/url_database.h"
 
 namespace history {
 
 class HistoryPublisher;
 class VisitDatabase;
 
 // Manages a set of text databases representing different time periods. This
 // will page them in and out as necessary, and will manage queries for times
 // spanning multiple databases.
 //
@@ skipping 271 matching lines @@
   // This can be NULL if there are no indexers registered to receive indexing
   // data from us.
   const HistoryPublisher* history_publisher_;
 
   DISALLOW_COPY_AND_ASSIGN(TextDatabaseManager);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TEXT_DATABASE_MANAGER_H_