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

chrome/browser/media_galleries/fileapi/itunes_data_provider.cc

 // Copyright 2013 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/media_galleries/fileapi/itunes_data_provider.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 13 matching lines @@
 #include "third_party/icu/source/common/unicode/locid.h"
 #include "webkit/browser/fileapi/native_file_util.h"
 
 namespace itunes {
 
 namespace {
 
 // Colon and slash are not allowed in filenames, replace them with underscore.
 std::string EscapeBadCharacters(const std::string& input) {
   std::string result;
-  ReplaceChars(input, ":/", "_", &result);
+  base::ReplaceChars(input, ":/", "_", &result);
   return result;
 }
 
 ITunesDataProvider::Album MakeUniqueTrackNames(const parser::Album& album) {
   // TODO(vandebo): It would be nice to ensure that names returned from here
   // are stable, but aside from persisting every name returned, it's not
   // obvious how to do that (without including the track id in every name).
   typedef std::set<const parser::Track*> TrackRefs;
   typedef std::map<ITunesDataProvider::TrackName, TrackRefs> AlbumInfo;
 
@@ skipping 249 matching lines @@
         std::string album_name = EscapeBadCharacters(album_it->first);
         library_[artist_name][album_name] =
             MakeUniqueTrackNames(album_it->second);
       }
     }
   }
   ready_callback.Run(valid());
 }
 
 }  // namespace itunes