Remove some platform specific stuff from views.

ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js

Index: ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js
diff --git a/ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js b/ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js
deleted file mode 100644
index 8a3ba07d299724e75b53943dde3e8d32a0225d66..0000000000000000000000000000000000000000
--- a/ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js
+++ /dev/null
@@ -1,211 +0,0 @@
-// 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);
-  this.headerSize = headerSize;
-}
-
-SimpleImageParser.prototype = {__proto__: ImageParser.prototype};
-
-/**
- * @param {File} file File to be parses.
- * @param {Object} metadata Metadata object of the file.
- * @param {function(Object)} callback Success callback.
- * @param {function(string)} errorCallback Error callback.
- */
-SimpleImageParser.prototype.parse = function(
-    file, metadata, callback, errorCallback) {
-  var self = this;
-  util.readFileBytes(
-      file, 0, this.headerSize,
-      function(file, br) {
-        try {
-          self.parseHeader(metadata, br);
-          callback(metadata);
-        } catch (e) {
-          errorCallback(e.toString());
-        }
-      },
-      errorCallback);
-};
-
-
-function PngParser(parent) {
-  SimpleImageParser.call(this, parent, 'png', /\.png$/i, 24);
-}
-
-PngParser.prototype = {__proto__: SimpleImageParser.prototype};
-
-/**
- * @param {Object} metadata Metadata object.
- * @param {ByteReader} br Byte reader to read from.
- */
-PngParser.prototype.parseHeader = function(metadata, br) {
-  br.setByteOrder(ByteReader.BIG_ENDIAN);
-
-  var signature = br.readString(8);
-  if (signature != '\x89PNG\x0D\x0A\x1A\x0A')
-    throw new Error('Invalid PNG signature: ' + signature);
-
-  br.seek(12);
-  var ihdr = br.readString(4);
-  if (ihdr != 'IHDR')
-    throw new Error('Missing IHDR chunk');
-
-  metadata.width = br.readScalar(4);
-  metadata.height = br.readScalar(4);
-};
-
-MetadataDispatcher.registerParserClass(PngParser);
-
-
-function BmpParser(parent) {
-  SimpleImageParser.call(this, parent, 'bmp', /\.bmp$/i, 28);
-}
-
-BmpParser.prototype = {__proto__: SimpleImageParser.prototype};
-
-/**
- * @param {Object} metadata Metadata object.
- * @param {ByteReader} br Byte reader to read from.
- */
-BmpParser.prototype.parseHeader = function(metadata, br) {
-  br.setByteOrder(ByteReader.LITTLE_ENDIAN);
-
-  var signature = br.readString(2);
-  if (signature != 'BM')
-    throw new Error('Invalid BMP signature: ' + signature);
-
-  br.seek(18);
-  metadata.width = br.readScalar(4);
-  metadata.height = br.readScalar(4);
-};
-
-MetadataDispatcher.registerParserClass(BmpParser);
-
-
-function GifParser(parent) {
-  SimpleImageParser.call(this, parent, 'gif', /\.Gif$/i, 10);
-}
-
-GifParser.prototype = {__proto__: SimpleImageParser.prototype};
-
-/**
- * @param {Object} metadata Metadata object.
- * @param {ByteReader} br Byte reader to read from.
- */
-GifParser.prototype.parseHeader = function(metadata, br) {
-  br.setByteOrder(ByteReader.LITTLE_ENDIAN);
-
-  var signature = br.readString(6);
-  if (!signature.match(/GIF8(7|9)a/))
-    throw new Error('Invalid GIF signature: ' + signature);
-
-  metadata.width = br.readScalar(2);
-  metadata.height = br.readScalar(2);
-};
-
-MetadataDispatcher.registerParserClass(GifParser);
-
-
-function WebpParser(parent) {
-  SimpleImageParser.call(this, parent, 'webp', /\.webp$/i, 30);
-}
-
-WebpParser.prototype = {__proto__: SimpleImageParser.prototype};
-
-/**
- * @param {Object} metadata Metadata object.
- * @param {ByteReader} br Byte reader to read from.
- */
-WebpParser.prototype.parseHeader = function(metadata, br) {
-  br.setByteOrder(ByteReader.LITTLE_ENDIAN);
-
-  var riffSignature = br.readString(4);
-  if (riffSignature != 'RIFF')
-    throw new Error('Invalid RIFF signature: ' + riffSignature);
-
-  br.seek(8);
-  var webpSignature = br.readString(4);
-  if (webpSignature != 'WEBP')
-    throw new Error('Invalid WEBP signature: ' + webpSignature);
-
-  var chunkFormat = br.readString(4);
-  switch (chunkFormat) {
-    // VP8 lossy bitstream format.
-    case 'VP8 ':
-      br.seek(23);
-      var lossySignature = br.readScalar(2) | (br.readScalar(1) << 16);
-      if (lossySignature != 0x2a019d) {
-        throw new Error('Invalid VP8 lossy bitstream signature: ' +
-            lossySignature);
-      }
-      var dimensionBits = br.readScalar(4);
-      metadata.width = dimensionBits & 0x3fff;
-      metadata.height = (dimensionBits >> 16) & 0x3fff;
-      break;
-
-    // VP8 lossless bitstream format.
-    case 'VP8L':
-      br.seek(20);
-      var losslessSignature = br.readScalar(1);
-      if (losslessSignature != 0x2f) {
-        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;
-      break;
-
-    // VP8 extended file format.
-    case 'VP8X':
-      br.seek(20);
-      // Read 24-bit value. ECMAScript assures left-to-right evaluation order.
-      metadata.width = (br.readScalar(2) | (br.readScalar(1) << 16)) + 1;
-      metadata.height = (br.readScalar(2) | (br.readScalar(1) << 16)) + 1;
-      break;
-
-    default:
-      throw new Error('Invalid chunk format: ' + chunkFormat);
-  }
-};
-
-MetadataDispatcher.registerParserClass(WebpParser);
-
-/**
- * Parser for the header of .ico icon files.
- * @param {MetadataDispatcher} parent Parent metadata dispatcher object.
- * @constructor
- * @extends {SimpleImageParser}
- */
-function IcoParser(parent) {
-  SimpleImageParser.call(this, parent, 'ico', /\.ico$/i, 8);
-}
-
-IcoParser.prototype = {__proto__: SimpleImageParser.prototype};
-
-/**
- * Parse the binary data as a ico header and stores to metadata.
- * @param {Object} metadata Dictionary to store the parser metadata.
- * @param {ByteReader} byteReader Reader for header binary data.
- */
-IcoParser.prototype.parseHeader = function(metadata, byteReader) {
-  byteReader.setByteOrder(ByteReader.LITTLE_ENDIAN);
-
-  var signature = byteReader.readString(4);
-  if (signature !== '\x00\x00\x00\x01')
-    throw new Error('Invalid ICO signature: ' + signature);
-
-  byteReader.seek(2);
-  metadata.width = byteReader.readScalar(1);
-  metadata.height = byteReader.readScalar(1);
-};
-
-MetadataDispatcher.registerParserClass(IcoParser);