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

chrome/browser/webdata/web_data_service.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.
 
 // Chromium settings and storage represent user-selected preferences and
 // information and MUST not be extracted, overwritten or modified except
 // through Chromium defined APIs.
 
 #ifndef CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 #define CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/file_path.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/sequenced_task_runner_helpers.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/api/webdata/autofill_web_data_service.h"
 #include "chrome/browser/api/webdata/web_data_results.h"
 #include "chrome/browser/api/webdata/web_data_service_base.h"
 #include "chrome/browser/api/webdata/web_data_service_consumer.h"
+#include "chrome/browser/common/url_database/template_url_id.h"
 #include "chrome/browser/search_engines/template_url.h"
-#include "chrome/browser/search_engines/template_url_id.h"
 #include "chrome/browser/webdata/keyword_table.h"
 #include "content/public/browser/browser_thread.h"
 #include "sql/init_status.h"
 
 class AutocompleteSyncableService;
 class AutofillChange;
 class AutofillProfileSyncableService;
 struct DefaultWebIntentService;
 class GURL;
 #if defined(OS_WIN)
@@ skipping 566 matching lines @@
   typedef std::map<Handle, WebDataRequest*> RequestMap;
   RequestMap pending_requests_;
 
   // MessageLoop the WebDataService is created on.
   MessageLoop* main_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDataService);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATA_SERVICE_H__