[File Manager] Cleanup: Moving js/css/html files to dedicated directories

chrome/browser/resources/file_manager/js/metadata/id3_parser.js

 // 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.
 
 importScripts('function_sequence.js');
 importScripts('function_parallel.js');
-importScripts('util.js');
 
 function Id3Parser(parent) {
   MetadataParser.call(this, parent, 'id3', /\.(mp3)$/i);
 }
 
 Id3Parser.prototype = {__proto__: MetadataParser.prototype};
 
 /**
  * Reads synchsafe integer.
  * 'SynchSafe' term is taken from id3 documentation.
@@ skipping 653 matching lines @@
     TYER: 'ID3_YEAR',
     WCOP: 'ID3_COPYRIGHT',
     WOAF: 'ID3_OFFICIAL_AUDIO_FILE_WEBPAGE',
     WOAR: 'ID3_OFFICIAL_ARTIST',
     WOAS: 'ID3_OFFICIAL_AUDIO_SOURCE_WEBPAGE',
     WPUB: 'ID3_PUBLISHERS_OFFICIAL_WEBPAGE'
   }
 };
 
 MetadataDispatcher.registerParserClass(Id3Parser);