Type check PDF plugin JS code, down to 53 errors.

chrome/browser/resources/pdf/open_pdf_params_parser.js

 // Copyright 2014 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';
 
 /**
  * Creates a new OpenPDFParamsParser. This parses the open pdf parameters
  * passed in the url to set initial viewport settings for opening the pdf.
  * @param {Object} getNamedDestinationsFunction The function called to fetch
  *     the page number for a named destination.
+ * @constructor
  */
 function OpenPDFParamsParser(getNamedDestinationsFunction) {
   this.outstandingRequests_ = [];
   this.getNamedDestinationsFunction_ = getNamedDestinationsFunction;
 }
 
 OpenPDFParamsParser.prototype = {
   /**
    * @private
    * Parse zoom parameter of open PDF parameters. If this
    * parameter is passed while opening PDF then PDF should be opened
    * at the specified zoom level.
-   * @param {number} zoom value.
+   * @param {string} paramValue zoom value.
    * @param {Object} viewportPosition to store zoom and position value.
    */
   parseZoomParam_: function(paramValue, viewportPosition) {
     var paramValueSplit = paramValue.split(',');
     if ((paramValueSplit.length != 1) && (paramValueSplit.length != 3))
       return;
 
     // User scale of 100 means zoom value of 100% i.e. zoom factor of 1.0.
     var zoomFactor = parseFloat(paramValueSplit[0]) / 100;
     if (isNaN(zoomFactor))
@@ skipping 70 matching lines @@
    * @param {Function} callback function to be called with viewport info.
    */
   getViewportFromUrlParams: function(url, callback) {
     var viewportPosition = {};
     viewportPosition['url'] = url;
 
     var paramsDictionary = this.parseUrlParams_(url);
 
     if ('page' in paramsDictionary) {
       // |pageNumber| is 1-based, but goToPage() take a zero-based page number.
-      var pageNumber = parseInt(paramsDictionary['page']);
+      var pageNumber = parseInt(paramsDictionary['page'], 10);
       if (!isNaN(pageNumber) && pageNumber > 0)
         viewportPosition['page'] = pageNumber - 1;
     }
 
     if ('zoom' in paramsDictionary)
       this.parseZoomParam_(paramsDictionary['zoom'], viewportPosition);
 
     if (viewportPosition.page === undefined &&
         'nameddest' in paramsDictionary) {
       this.outstandingRequests_.push({
@@ skipping 12 matching lines @@
    * @param {number} pageNumber The page corresponding to the named destination
    *    requested.
    */
   onNamedDestinationReceived: function(pageNumber) {
     var outstandingRequest = this.outstandingRequests_.shift();
     if (pageNumber != -1)
       outstandingRequest.viewportPosition.page = pageNumber;
     outstandingRequest.callback(outstandingRequest.viewportPosition);
   },
 };