Improve extraction of accessible text from PDF.

chrome/test/data/pdf/basic_plugin_test.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.
 
 var scriptingAPI;
 
 /**
  * These tests require that the PDF plugin be available to run correctly.
  */
 var tests = [
@@ skipping 23 matching lines @@
 
   function testAccessibilityWithPage() {
     scriptingAPI.getAccessibilityJSON(chrome.test.callbackPass(function(json) {
       var dict = JSON.parse(json);
       chrome.test.assertEq(612, dict.width);
       chrome.test.assertEq(792, dict.height);
       chrome.test.assertEq(1.0, dict.textBox[0].fontSize);
       chrome.test.assertEq('text', dict.textBox[0].textNodes[0].type);
       chrome.test.assertEq('this is some text',
                            dict.textBox[0].textNodes[0].text);
-      chrome.test.assertEq(1.0, dict.textBox[1].fontSize);
       chrome.test.assertEq('text', dict.textBox[1].textNodes[0].type);
       chrome.test.assertEq('some more text',
                            dict.textBox[1].textNodes[0].text);
     }), 0);
   },
 
   function testGetSelectedText() {
     var client = new PDFScriptingAPI(window, window);
     client.selectAll();
     client.getSelectedText(chrome.test.callbackPass(function(selectedText) {
@@ skipping 23 matching lines @@
     e.initEvent('keydown');
     e.keyCode = 27;
     document.dispatchEvent(e);
   }
 ];
 
 var scriptingAPI = new PDFScriptingAPI(window, window);
 scriptingAPI.setLoadCallback(function() {
   chrome.test.runTests(tests);
 });