base: Get rid of 'using' declaration of StringAppendF.

chrome/browser/history/text_database.cc

 // Copyright (c) 2009 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 <limits>
 #include <set>
 #include <string>
 
 #include "chrome/browser/history/text_database.h"
 
@@ skipping 70 matching lines @@
 }
 
 // static
 FilePath TextDatabase::IDToFileName(DBIdent id) {
   // Identifiers are intended to be a combination of the year and month, for
   // example, 200801 for January 2008. We convert this to
   // "History Index 2008-01". However, we don't make assumptions about this
   // scheme: the caller should assign IDs as it feels fit with the knowledge
   // that they will apppear on disk in this form.
   FilePath::StringType filename(file_base());
-  StringAppendF(&filename, FILE_PATH_LITERAL("%d-%02d"),
-                id / 100, id % 100);
+  base::StringAppendF(&filename, FILE_PATH_LITERAL("%d-%02d"),
+                      id / 100, id % 100);
   return FilePath(filename);
 }
 
 // static
 TextDatabase::DBIdent TextDatabase::FileNameToID(const FilePath& file_path) {
   FilePath::StringType file_name = file_path.BaseName().value();
 
   // We don't actually check the prefix here. Since the file system could
   // be case insensitive in ways we can't predict (NTFS), checking could
   // potentially be the wrong thing to do. Instead, we just look for a suffix.
@@ skipping 271 matching lines @@
   } else {
     // Since we got the results in order, we know the last item is the last
     // time we considered.
     *first_time_searched = results->back().time;
   }
 
   statement.Reset();
 }
 
 }  // namespace history