[Cleanup] Files.app: Fix wrong style in JavaScript Code.

chrome/browser/resources/file_manager/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.
 
 /* 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);
   this.headerSize = headerSize;
 }
 
 SimpleImageParser.prototype = {__proto__: ImageParser.prototype};
 
 SimpleImageParser.prototype.parse = function(
     file, metadata, callback, errorCallback) {
   var self = this;
   util.readFileBytes(file, 0, this.headerSize,
-    function (file, br) {
+    function(file, br) {
       try {
         self.parseHeader(metadata, br);
         callback(metadata);
-      } catch(e) {
+      } catch (e) {
         errorCallback(e.toString());
       }
     },
     errorCallback);
 };
 
 
 function PngParser(parent) {
   SimpleImageParser.call(this, parent, 'png', /\.png$/i, 24);
 }
@@ skipping 50 matching lines @@
   br.setByteOrder(ByteReader.LITTLE_ENDIAN);
 
   var signature = br.readString(6);
   if (!signature.match(/GIF8(7|9)a/))
     throw new Error('Invalid GIF signature: ' + signature);
 
   metadata.width = br.readScalar(2);
   metadata.height = br.readScalar(2);
 };
 
-MetadataDispatcher.registerParserClass(GifParser);
+MetadataDispatcher.registerParserClass(GifParser);