[Files.app] Split the JavaScript files into subdirectories: common, background, and foreground

chrome/browser/resources/file_manager/foreground/js/metadata/image_parsers.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.
 
 'use strict';
 
 /* Base class for image metadata parsers that only need to look at a short
   fragment at the start of the file */
 function SimpleImageParser(parent, type, urlFilter, headerSize) {
   ImageParser.call(this, parent, type, urlFilter);
@@ skipping 147 matching lines @@
       throw new Error('Invalid VP8 lossless bitstream signature: ' +
         losslessSignature);
 
     var dimensionBits = br.readScalar(4);
     metadata.width = (dimensionBits & 0x3fff) + 1;
     metadata.height = ((dimensionBits >> 14) & 0x3fff) + 1;
   }
 };
 
 MetadataDispatcher.registerParserClass(WebpParser);