Fix for PDFs with lots of named destinations take a long time to load.

chrome/test/data/pdf/navigator_test.js

 // Copyright 2015 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.
 
 function NavigateInCurrentTabCallback() {
   this.navigateInCurrentTabCalled = false;
   this.callback = function() {
     this.navigateInCurrentTabCalled = true;
   }.bind(this);
   this.reset = function() {
@@ skipping 58 matching lines @@
     chrome.test.assertEq(0, viewport.position.x);
     chrome.test.assertEq(0, viewport.position.y);
 
     mockCallback.reset();
     // This should move viewport to page 2.
     navigator.navigate(url + "#UY", false);
     chrome.test.assertTrue(mockCallback.wasCalled);
     chrome.test.assertEq(0, viewport.position.x);
     chrome.test.assertEq(300, viewport.position.y);
 
-    mockCallback.reset();
-    navigateInCurrentTabCallback.reset();
-    // #ABC is not a named destination in the page so viewport should not
-    // update and viewport position should remain same. As this link will open
-    // in the same tab.
-    navigator.navigate(url + "#ABC", false);
-    chrome.test.assertFalse(mockCallback.wasCalled);
-    chrome.test.assertTrue(
-        navigateInCurrentTabCallback.navigateInCurrentTabCalled);
-    chrome.test.assertEq(0, viewport.position.x);
-    chrome.test.assertEq(300, viewport.position.y);
-
     chrome.test.succeed();
   }
 ];
 
 var scriptingAPI = new PDFScriptingAPI(window, window);
 scriptingAPI.setLoadCallback(function() {
   chrome.test.runTests(tests);
 });