Add jsdoc to metadata files.

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
index c419428a755a3756e9ea938d6765036a64ccef6e..2dab001cb35ea3e4e8955e9eb731f07a0a9ad8a0 100644
--- a/ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js
+++ b/ui/file_manager/file_manager/foreground/js/metadata/image_parsers.js
@@ -14,10 +14,10 @@ function SimpleImageParser(parent, type, urlFilter, headerSize) {
 SimpleImageParser.prototype = {__proto__: ImageParser.prototype};
 
 /**
- * @param {File} file  // TODO(JSDOC).
- * @param {Object} metadata  // TODO(JSDOC).
- * @param {function(Object)} callback  // TODO(JSDOC).
- * @param {function(string)} errorCallback  // TODO(JSDOC).
+ * @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) {
@@ -42,8 +42,8 @@ function PngParser(parent) {
 PngParser.prototype = {__proto__: SimpleImageParser.prototype};
 
 /**
- * @param {Object} metadata  // TODO(JSDOC).
- * @param {ByteReader} br  // TODO(JSDOC).
+ * @param {Object} metadata Metadata object.
+ * @param {ByteReader} br Byte reader to read from.
  */
 PngParser.prototype.parseHeader = function(metadata, br) {
   br.setByteOrder(ByteReader.BIG_ENDIAN);
@@ -71,8 +71,8 @@ function BmpParser(parent) {
 BmpParser.prototype = {__proto__: SimpleImageParser.prototype};
 
 /**
- * @param {Object} metadata  // TODO(JSDOC).
- * @param {ByteReader} br  // TODO(JSDOC).
+ * @param {Object} metadata Metadata object.
+ * @param {ByteReader} br Byte reader to read from.
  */
 BmpParser.prototype.parseHeader = function(metadata, br) {
   br.setByteOrder(ByteReader.LITTLE_ENDIAN);
@@ -96,8 +96,8 @@ function GifParser(parent) {
 GifParser.prototype = {__proto__: SimpleImageParser.prototype};
 
 /**
- * @param {Object} metadata  // TODO(JSDOC).
- * @param {ByteReader} br  // TODO(JSDOC).
+ * @param {Object} metadata Metadata object.
+ * @param {ByteReader} br Byte reader to read from.
  */
 GifParser.prototype.parseHeader = function(metadata, br) {
   br.setByteOrder(ByteReader.LITTLE_ENDIAN);
@@ -120,8 +120,8 @@ function WebpParser(parent) {
 WebpParser.prototype = {__proto__: SimpleImageParser.prototype};
 
 /**
- * @param {Object} metadata  // TODO(JSDOC).
- * @param {ByteReader} br  // TODO(JSDOC).
+ * @param {Object} metadata Metadata object.
+ * @param {ByteReader} br Byte reader to read from.
  */
 WebpParser.prototype.parseHeader = function(metadata, br) {
   br.setByteOrder(ByteReader.LITTLE_ENDIAN);