Move RemoveChars, ReplaceChars, TrimString, and TruncateUTF8ToByteSize to base namespace.

chrome/browser/download/download_path_reservation_tracker.cc

 // 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.
 
 #include "chrome/browser/download/download_path_reservation_tracker.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 107 matching lines @@
 
   // Impossible to satisfy the limit.
   if (limit < kTruncatedNameLengthLowerbound + ext.size())
     return false;
   limit -= ext.size();
 
   // Encoding specific truncation logic.
   base::FilePath::StringType truncated;
 #if defined(OS_CHROMEOS) || defined(OS_MACOSX)
   // UTF-8.
-  TruncateUTF8ToByteSize(name, limit, &truncated);
+  base::TruncateUTF8ToByteSize(name, limit, &truncated);
 #elif defined(OS_WIN)
   // UTF-16.
   DCHECK(name.size() > limit);
   truncated = name.substr(0, CBU16_IS_TRAIL(name[limit]) ? limit - 1 : limit);
 #else
   // We cannot generally assume that the file name encoding is in UTF-8 (see
   // the comment for FilePath::AsUTF8Unsafe), hence no safe way to truncate.
 #endif
 
   if (truncated.size() < kTruncatedNameLengthLowerbound)
@@ skipping 218 matching lines @@
       create_directory,
       conflict_action,
       callback));
 }
 
 // static
 bool DownloadPathReservationTracker::IsPathInUseForTesting(
     const base::FilePath& path) {
   return IsPathInUse(path);
 }