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

chrome/browser/resources/file_manager/js/metadata/byte_reader.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.
 
 ByteReader = function(arrayBuffer, opt_offset, opt_length) {
   opt_offset = opt_offset || 0;
   opt_length = opt_length || (arrayBuffer.byteLength - opt_offset);
   this.view_ = new DataView(arrayBuffer, opt_offset, opt_length);
   this.pos_ = 0;
   this.seekStack_ = [];
@@ skipping 392 matching lines @@
 ByteReader.prototype.popSeek = function() {
   this.seek(this.seekStack_.pop());
 };
 
 /**
  * Return the current read position.
  */
 ByteReader.prototype.tell = function() {
   return this.pos_;
 };