Cleanup: Remove unneeded headers from app/

chrome/browser/history/url_database.cc

 // Copyright (c) 2010 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/history/url_database.h"
 
 #include <algorithm>
 #include <limits>
 #include <string>
 #include <vector>
 
 #include "app/l10n_util.h"
-#include "app/sql/connection.h"
 #include "app/sql/statement.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 
 namespace history {
 
 const char URLDatabase::kURLRowFields[] = HISTORY_URL_ROW_FIELDS;
 const int URLDatabase::kNumURLRowFields = 9;
 
@@ skipping 465 matching lines @@
   // this likely already exists (and the same below).
   GetDB().Execute("CREATE INDEX urls_url_index ON urls (url)");
 }
 
 void URLDatabase::CreateSupplimentaryURLIndices() {
   // Add a favicon index.  This is useful when we delete urls.
   GetDB().Execute("CREATE INDEX urls_favicon_id_INDEX ON urls (favicon_id)");
 }
 
 }  // namespace history