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

chrome/browser/history/history_backend.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_HISTORY_HISTORY_BACKEND_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_
 
 #include <string>
 #include <utility>
 
 #include "base/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/mru_cache.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/cancelable_request.h"
+#include "chrome/browser/common/url_database/template_url_id.h"
 #include "chrome/browser/history/archived_database.h"
 #include "chrome/browser/history/expire_history_backend.h"
 #include "chrome/browser/history/history_database.h"
 #include "chrome/browser/history/history_marshaling.h"
 #include "chrome/browser/history/history_types.h"
 #include "chrome/browser/history/text_database_manager.h"
 #include "chrome/browser/history/thumbnail_database.h"
 #include "chrome/browser/history/visit_tracker.h"
-#include "chrome/browser/search_engines/template_url_id.h"
 #include "sql/init_status.h"
 #include "ui/base/layout.h"
 
 class BookmarkService;
 class TestingProfile;
 struct ThumbnailScore;
 
 namespace content {
 struct DownloadPersistentStoreInfo;
 }
@@ skipping 858 matching lines @@
   // Used to provide the Android ContentProvider APIs.
   scoped_ptr<AndroidProviderBackend> android_provider_backend_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(HistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_BACKEND_H_